Total nitrogen in water quality testing

Total nitrogen in water quality testing, Total:370 items.

In the international standard classification, Total nitrogen in water quality testing involves: Water quality, Test conditions and procedures in general, Vocabularies, Radiation protection, Medical sciences and health care facilities in general, Furniture, Construction materials, Soil quality. Pedology, Wind turbine systems and other alternative sources of energy, Non-metalliferous minerals, Radiation measurements, Fuels, Petroleum products in general, Analytical chemistry, Animal feeding stuffs, Semiconductor devices, Environmental testing, ENVIRONMENT. HEALTH PROTECTION. SAFETY, Measurement of fluid flow, Milk and milk products, Microbiology, Wastes, General methods of tests and analysis for food products, Beverages, Rubber.

Heilongjiang Provincial Standard of the People's Republic of China, Total nitrogen in water quality testing

DB23/T 3310-2022 Water quality total nitrogen monitoring technical specification
DB23/T 3592-2023 Technical specifications for detection of humic substances in hydrothermal humification treatment of straw

Professional Standard - Agriculture, Total nitrogen in water quality testing

SL/T 788.1-2019 Part 1: Determination of total nitrogen in water quality
HJ 199-2023 Determination of total nitrogen in water quality by gas phase molecular absorption spectrometry
水产品质量安全检验手册 6.14.1.3-2005 Chapter 6 Inspection of elements in aquatic products Section 14 Determination of total arsenic and inorganic arsenic in aquatic products (GBT 5009.11-2003) 1. Determination of total arsenic (3) Arsenic spot method
水产品质量安全检验手册 6.14.1.2-2005 Chapter 6 Inspection of elements in aquatic products Section 14 Determination of total arsenic and inorganic arsenic in aquatic products (GBT 5009.11-2003) 1. Determination of total arsenic (2) Silver salt method
水产品质量安全检验手册 2.17.1.0-2005 Chapter 2 Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Section 17 Determination of Volatile Base Nitrogen in Aquatic Products (GBT 5009.44-2003) 1. Semi-trace Nitrogen Determination Method
水产品质量安全检验手册 6.15.1.3-2005 Chapter 6 Inspection of Elements in Aquatic Products Section 15 Determination of Total Mercury and Organic Mercury in Aquatic Products (GBT 5009.17-2003) 1. Determination of Total Mercury (3) Dithizone Colorimetric Method
水产品质量安全检验手册 6.15.1.2-2005 Chapter 6 Inspection of Elements in Aquatic Products Section 15 Determination of Total Mercury and Organic Mercury in Aquatic Products (GBT 5009.17-2003) 1. Determination of Total Mercury (2) Cold Atomic Absorption Spectrometry
水产品质量安全检验手册 6.15.1.1-2005 Chapter 6 Inspection of Elements in Aquatic Products Section 15 Determination of Total Mercury and Organic Mercury in Aquatic Products (GBT 5009.17-2003) 1. Determination of Total Mercury (1) Atomic Fluorescence Spectrometry
水产品质量安全检验手册 8.2.1.0-2005 Chapter 8 Inspection of Other Hazardous Substances in Aquatic Products Section 2 Determination of Formaldehyde in Aquatic Products 1. Determination of Formaldehyde in Aquatic Products (NY 5172-2002)
水产品质量安全检验手册 6.14.1.1-2005 Chapter 6 Inspection of elements in aquatic products Section 14 Determination of total arsenic and inorganic arsenic in aquatic products (GBT 5009.11-2003) 1. Determination of total arsenic (1) Hydride atomic fluorescence spectrometry
水产品质量安全检验手册 6.14.1.4-2005 Chapter 6 Inspection of elements in aquatic products Section 14 Determination of total arsenic and inorganic arsenic in aquatic products (GBT 5009.11-2003) 1. Determination of total arsenic (4) Borohydride reduction colorimetric method
水产品质量安全检验手册 8.2.3.0-2005 Chapter 8 Inspection of Other Hazardous Substances in Aquatic Products Section 2 Determination of Formaldehyde in Aquatic Products 3. Determination of Residual Formaldehyde in Water-Soaked (Stained) Food
水产品质量安全检验手册 6.14.2.2-2005 Chapter 6 Inspection of elements in aquatic products Section 14 Determination of total arsenic and inorganic arsenic in aquatic products (GBT 5009.11-2003) 2. Determination of inorganic arsenic (2) Silver salt method
水产品质量安全检验手册 4.5.1.0-2005 Chapter 4 Testing of Toxic Substances in Aquatic Products Section 5 Determination of Histamine in Aquatic Products 1. Method 1 (GBT 5009.45-2003)
水产品质量安全检验手册 8.2.2.2-2005 Chapter 8 Inspection of other harmful substances in aquatic products Section 2 Determination of formaldehyde in aquatic products 2. Determination of formaldehyde in aquatic products (NY 5073-2001) (2) Gas chromatography method
水产品质量安全检验手册 2.11.2.0-2005 Chapter II Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Eleventh Determination of Amino Acid Nitrogen in Aquatic Products (GBT 5009.39-2003) II. Colorimetry
SN/T 5644.1-2023 Rapid detection method of agrochemical substances in exported food Raman spectroscopy Part 1: General principles
水产品质量安全检验手册 8.2.2.1-2005 Chapter 8 Inspection of other harmful substances in aquatic products Section 2 Determination of formaldehyde in aquatic products 2. Determination of formaldehyde in aquatic products (NY 5073-2001) (1) Identification method
水产品质量安全检验手册 2.11.1.0-2005 Chapter II Basic Analysis Methods for Physical and Chemical Testing of Aquatic Products Eleventh Determination of Amino Acid Nitrogen in Aquatic Products (GBT 5009.39-2003) 1. Formaldehyde value method
水产品质量安全检验手册 4.5.2.0-2005 Chapter 4 Testing of Toxic Substances in Aquatic Products Section 5 Determination of Histamine in Aquatic Products 2. Method 2 Enzyme-linked Immunoassay

Korean Agency for Technology and Standards (KATS), Total nitrogen in water quality testing

KS I ISO 13395:2008 Water quality-Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS I ISO 13395-2018 Water quality－Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS I ISO 14255-2023 Soil quality－Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
KS I ISO 14255:2009 Soil quality－Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
KS I ISO 14255-2009(2019) Soil quality－Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
KS I ISO 11732-2008(2018) Water quality－Determination of ammonium nitrogen－Method by flow analysis(CFA and FIA) and spectrometric detection
KS I ISO 9696-2007(2017) Water quality－Measurement of gross alpha activity in non-saline water－Thick source method
KS I ISO 9697:2007 Water quality－Measurement of gross beta activity in non-saline water
KS I ISO 13395-2008(2018) Water quality－Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
KS I ISO 11732-2023 Water quality — Determination of ammonium nitrogen — Method by flow analysis (CFA and FIA) and spectrometric detection
KS I ISO 9696:2007 Water quality－Measurement of gross alpha activity in non-saline water－Thick source method
KS I ISO 22719-2019 Water quality－Determination of total alkalinity in sea water using high precision potentiometric titration
KS I ISO 7899-1:2009 Water quality-Detection and enumeration of intestinal enterococci-Part 1:Miniaturized method(Most Probable Number) for surface and waste water
KS I ISO 17993-2008(2013) Water quality－Determination of 15 polycyclic aromatic hydrocarbons(PAH) in water by HPLC with fluorescence detection after liquid-liquid extraction
KS I ISO 10705-3:2021 Water quality — Detection and enumeration of bacteriophages —Part 3: Validation of methods for concentration of bacteriophages from water
KS I ISO 9308-3:2009 Water quality-Detection and enumeration of Escherichia coli and coliform bacteria-Part 3: Miniaturized method(Most Probable Number) for the detection and enumeration of E. coli in surface and waste water
KS I ISO 17993:2022 Water quality — Determination of 15 polycyclic aromatic hydrocarbons — PAH in water by HPLC with fluorescence detection after liquid-liquid extraction

European Committee for Standardization (CEN), Total nitrogen in water quality testing

EN ISO 13395:1996 Water Quality - Determination of Nitrite Nitrogen and Nitrate Nitrogen and the Sum of Both by Flow Analysis (CFA and FIA) and Spectrometric Detection
DD ENV 12 260-1996 Water Quality - Determination of Nitrogen - Determination of Bound Nitrogen, After Combustion and Oxidation to Nitrogen Dioxide, Using Chemiluminescence Detection
EN ISO 9697:2017 Water quality - Gross beta activity in non-saline water - Test method using thick source
EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005)
EN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)
prEN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)
prEN ISO 20236 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO/DIS 20236:2023)
EN ISO 10704:2015 Water quality - Measurement of gross alpha and gross beta activity in non-saline water - Thin source deposit method
EN ISO 8968-4:2016 Milk and milk products - Determination of nitrogen content - Part 4: Determination of protein and non-protein nitrogen content and true protein content calculation (Reference method)
EN 15216:2021 Environmental solid matrices - Determination of total dissolved solids (TDS) in water and eluates
EN ISO 11704:2015 Water quality - Measurement of gross alpha and beta activity concentration in non-saline water - Liquid scintillation counting method (ISO 11704:2010)
EN ISO 7899-1:1998/AC:2000 Water quality - Detection and enumeration of intestinal enterococci in surface and wastewater - Part 1: Miniaturized method (Most Probable Number) by inoculation in liquid medium (ISO 7899-1:1998)
EN 13526:2001 Stationary Source Emissions - Determination of the Mass Concentration of Total Gaseous Organic Carbon in Flue Gases From Solvent Using Processes - Continuous Flame Ionisation Detector Method

International Organization for Standardization (ISO), Total nitrogen in water quality testing

ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
ISO 23695:2023 Water quality — Determination of ammonium nitrogen in water — Small-scale sealed tube method
ISO 21793:2020 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), dissolved bound nitrogen (DNb), total bound phosphorus (TPb) and dissolved boun
ISO 23697-2:2023 Water quality — Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes — Part 2: Chromotropic acid colour reaction
ISO 9697:1992 Water quality; measurement of gross beta activity in non-saline water
ISO 23697-1:2023 Water quality — Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes — Part 1: Dimethylphenol colour reaction
ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
ISO 14255:1998 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
ISO 9697:2015 Water quality - Gross beta activity in non-saline water - Test method using thick source
ISO 20236:2018 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
ISO 9697:2008 Water quality - Measurement of gross beta activity in non-saline water - Thick source method
ISO 9696:1992 Water quality; measurement of gross alpha activity in non-saline water; thick source method
ISO 9696:2007 Water quality - Measurement of gross alpha activity in non-saline water - Thick source method
ISO/CD 20236 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN b) and dissolved bound nitrogen (DN b) after high temperature catalytic oxidative combustion
ISO/DIS 20236:2023 Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN b) and dissolved bound nitrogen (DN b) after high temperature catalytic oxidative combustion
ISO 10704:2009 Water quality - Measurement of gross alpha and gross beta activity in non-saline water - Thin source deposit method
ISO/CD 13646 Water quality — Determination of selected estrogens in whole water samples — Method using solid phase extraction (SPE) followed by chromatography coupled to mass spectrometric detection
ISO 28540:2011 Water quality - Determination of 16 polycyclic aromatic hydrocarbons (PAH) in water - Method using gas chromatography with mass spectrometric detection (GC-MS)
ISO 7899-1:1998 Water quality - Detection and enumeration of intestinal enterococci in surface and waste water - Part 1: Miniaturized method (most probable number) by inoculation in liquid medium
ISO 7899-1:1998/cor 1:2000 Water quality - Detection and enumeration of intestinal enterococci in surface and waste water - Part 1: Miniaturized method (most probable number) by inoculation in liquid medium; Technical Corrigendum 1
ISO 9308-3:1998 Water quality - Detection and enumeration of Escherichia coli and coliform bacteria in surface and waste water - Part 3: Miniaturized method (most probable number) by inoculation in liquid medium
ISO/TS 15923-2:2017 Water quality - Determination of selected parameters by discrete analysis systems - Part 2: Chromium(VI), fluoride, total alkalinity, total hardness, calcium, magnesium, iron, iron(II), manganese and aluminium with photometric detection

ZA-SANS, Total nitrogen in water quality testing

SANS 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
SANS 11732:2006 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection

Danish Standards Foundation, Total nitrogen in water quality testing

DS 223:1991 Water analysis. Determination of the sum of nitrite- and nitrate-nitrogen
DS/EN ISO 13395:1997 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
DS/ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
DS/ISO 10704:2010 Water quality - Measurement of gross alpha and gross beta activity in non-saline water - Thin source deposit method
DS/EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
DS/ISO 28540:2011 Water quality - Determination of 16 polycyclic aromatic hydrocarbons (PAH) in water - Method using gas chromatography with mass spectrometric detection (GC-MS)
DS/ISO 11704:2010 Water quality - Measurement of gross alpha and beta activity concentration in non-saline water - Liquid scintillation counting method
DS/EN 15216:2021 Environmental solid matrices – Determination of total dissolved solids (TDS) in water and eluates
DS/EN ISO 17993:2004 Water quality - Determination of 15 polycyclic aromatic hydrocarbons (PAH) in water by HPLC with fluorescence detection after liquid-liquid extraction
DS/ISO 17381:2007 Water quality - Selection and application of ready-to-use test kit methods in water analysis
DS/ISO 10705-3:2004 Water quality - Detection and enumeration of bacteriophages - Part 3: Validation of methods for concentration of bacteriophages from water
DS/EN ISO 9308-3/AC:2001 Water quality - Detection and enumeration of Escherichia coli and coliform bacteria in surface and waste water - Part 3: Miniaturized method (Most Probable Number) by inoculation in liquid medium
DS/EN ISO 9308-3:1999 Water quality - Detection and enumeration of Escherichia coli and coliform bacteria in surface and waste water - Part 3: Miniaturized method (Most Probable Number) by inoculation in liquid medium

Japanese Industrial Standards Committee (JISC), Total nitrogen in water quality testing

JIS K 0170-3:2011 Testing methods for water quality by flow analysis -- Part 3: Total nitrogen
JIS K 0170-3:2019 Testing methods for water quality by flow analysis -- Part 3: Total nitrogen
JIS K 0400-44-40:2000 Water quality -- Determination of Kjeldahl nitrogen -- Method after mineralization with selenium
JIS K 0551:1994 Testing methods for total organic carbon in highly purified water
JIS K 0170-1:2011 Testing methods for water quality by flow analysis -- Part 1: Ammonium nitrogen
JIS K 0170-1:2019 Testing methods for water quality by flow analysis -- Part 1: Ammonium nitrogen
JIS K 0550:1994 Testing methods for detection and estimation of micro-biological contaminants in highly purified water
JIS K 0170-2:2011 Testing methods for water quality by flow analysis -- Part 2: Nitrite nitrogen and nitrate nitrogen
JIS K 0170-2:2019 Testing methods for water quality by flow analysis -- Part 2: Nitrite nitrogen and nitrate nitrogen
JIS K 0170-4:2011 Testing methods for water quality by flow analysis -- Part 4: Orthophosphate and total phosphorus
JIS K 0170-4:2019 Testing methods for water quality by flow analysis -- Part 4: Orthophosphate and total phosphorus

Professional Standard - Urban Construction, Total nitrogen in water quality testing

CJ 26.27-1991 Municipal sewage water quality inspection method standard Determination of total nitrogen Titration method after distillation
CJ 26.25-1991 Determination of Standard Ammonia Nitrogen in Municipal Sewage Water Quality Inspection Method
CJ 26.20-1991 Determination of Standard Total Chromium in Municipal Sewage Water Quality Inspection Method
CJ 26.13-1991 Municipal sewage water quality test method Determination of standard aniline Azo spectrophotometric method
CJ 26.26-1991 Municipal sewage water quality inspection method standard Determination of nitrite nitrogen spectrophotometric method
CJ 26.5-1991 Municipal sewage water quality inspection method Standard gravimetric method for total solids
CJ 26.28-1991 Municipal sewage water quality inspection method standard Determination of total phosphorus spectrophotometric method
CJ 26.29-1991 Municipal sewage water quality inspection method standard Determination of total organic carbon non-dispersive infrared method
CJ 26.23-1991 Municipal sewage water quality inspection method standard Determination of total arsenic by silver diethyldithiocarbamate spectrophotometric method

未注明发布机构, Total nitrogen in water quality testing

ASTM RR-D19-1194 2016 D8083-Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
DIN EN ISO 10704 E:2015-03 Method for measuring total alpha and total beta radioactivity in water quality other than seawater Thin Radioactive Source Storage (Draft)
DIN EN ISO 10704 E:2017-07 Method for measuring total alpha and total beta radioactivity in water quality other than seawater Thin Radioactive Source Storage (Draft)
ASTM RR-D19-1185 2010 D5907-Test Methods for Filterable Matter (Total Dissolved Solids) and Nonfilterable Matter (Total Suspended Solids) in Water
ASTM RR-D19-1199 2018 D7573-Test Method for Total Carbon and Organic Carbon in Water by High Temperature Catalytic Combustion and Infrared Detection
ASTM RR-D19-1180 2009 D7573-Test Method for Total Carbon and Organic Carbon in Water by High Temperature Catalytic Combustion and Infrared Detection
DIN ISO 28540 E:2013-03 Water quality - Determination of 16 polycyclic aromatic hydrocarbons (PAH) in water - Method using gas chromatography with mass spectrometric detection (GC-MS)
DIN 38409-23 E:2008-06 German standard methods for the examination of water, waste water and sludge; general measures of effects and substances (group H), determination of methylen blue active and bismut active substances (H23)
ASTM RR-D19-1191 2013 D7284-Test Method for Total Cyanide in Water by Micro Distillation followed by Flow Injection Analysis with Gas Diffusion Separation and Amperometric Detection
ASTM RR-D19-1163 1998 D5997-Test Method for On-Line Monitoring of Total Carbon, Inorganic Carbon in Water by Ultraviolet, Persulfate Oxidation, and Membrane Conductivity Detection

SE-SIS, Total nitrogen in water quality testing

SIS SS 02 81 86-1985 Determination of total arsenic in water - Silver diethyldithiocarbamate spectrometric method
SIS SS 02 81 33-1991 Determination of the sum of the nitrite and nitrate nitrogen content of water

NO-SN, Total nitrogen in water quality testing

NS 4745-1991 Water analysis - Determination of the sum of nitrite nitrogen and nitrate nitrogen
NS 4865-1983 Air quality - Determination of the sum of nitrite- and nitrate-nitrogen in precipitation

Association Francaise de Normalisation, Total nitrogen in water quality testing

NF EN ISO 13395:1996 Water quality - Determination of nitrous nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
NF T90-012*NF EN ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection.
NF EN ISO 11732:2005 Water quality - Determination of ammoniacal nitrogen - Flow analysis method (CFA and FIA) and spectrometric detection
NF T90-236*NF EN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
NF EN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (COD), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after catalytic oxidative combustion at high temperature
NF M07-058:1992 Produits pétroliers - Dosage de l'azote total dans les distillats pétroliers - Méthode par combustion et détection par chimioluminescence.
NF M60-815:2008 Water quality - Measurement of gross alpha activity in non-saline water - Thick source method.
NF M60-816:2008 Water quality - Measurement of gross beta activity in non-saline water - Thick source method.
NF T90-080:1997 Water quality - Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detection.
NF M60-819:2010 Water quality - Measurement of gross alpha and gross beta activity in non-saline water - Thin source deposit method.
NF X30-480*NF EN 15216:2021 Environmental solid matrices - Determination of total dissolved solids (TDS) in water and eluates
NF T90-091*NF ISO 28540:2011 Water quality - Determination of 16 polycyclic aromatic hydrocarbons (PAH) in water - Method using gas chromatography with mass spectrometric detection (GC-MS).
NF EN 15216:2021 Solid Environmental Matrices – Determination of Total Dissolved Solids (TDS) Concentration of Water and Eluates
NF M60-820:2010 Water quality - Measurement of gross alpha and beta activity concentration in non-saline water - Liquid scintillation counting method.
NF T90-432*NF EN ISO 7899-1:1999 Water quality - Detection and enumeration of intestinal enterococci in surface and waste water - Part 1 : miniaturized method (Most Probable Number) by inoculation in liquid medium.
NF EN ISO 17993:2004 Water quality - Determination of 15 polycyclic aromatic hydrocarbons (PAHs) in water by HPLC with fluorescence detection after liquid-liquid extraction
NF EN 16694:2015 Water quality - Determination of pentabromodiphenyl ether (PBDE) in total water samples - Solid phase extraction (SPE) method with SPE disks, with coupled gas chromatography-mass spectrometry (GC-MS)
NF T90-411:1989 Testing water. Detection and enumeration of groupe D streptococci. General methd by culture in liquid media (mpn).
NF EN ISO 7899-1:1999 Water quality - Detection and enumeration of intestinal enterococci in surface and waste water - Part 1: miniaturized method (most probable number) by seeding in liquid medium

SCC, Total nitrogen in water quality testing

DANSK DS/EN ISO 13395:1997 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
DANSK DS/ISO 29441:2010 Water quality - Determination of total nitrogen after UV digestion - Method using flow analysis (CFA and FIA) and spectrometric detection
NS-EN ISO 13395:1996 Water quality — Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996)
BS DD ENV 12260:1996 Water quality. Determination of nitrogen. Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
BS EN ISO 10704:2015 Water quality. Measurement of gross alpha and gross beta activity in non-saline water. Thin source deposit method
BS EN ISO 11732:1997 Water quality. Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detection
DANSK DS/ISO 20236:2018 Water quality – Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
DANSK DS/EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection
BS 6068-3.2:1993 Water quality. Radiological methods-Measurement of gross beta activity in non-saline water
NS-EN ISO 10704:2015 Water quality — Measurement of gross alpha and gross beta activity in non-saline water — Thin source deposit method (ISO 10704:2009)
DANSK DS/ISO 21793:2020 Water quality – Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb), dissolved bound nitrogen (DNb), total bound phosphorus (TPb) and dissolved bound phosphorus (DPb) after wet chemical catalysed ozon...
NS-EN ISO 11732:1997 Water quality — Determination of ammonium nitrogen by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:1997)
BS ISO 20236:2018 Water quality. Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN<sub>b</sub>) and dissolved bound nitrogen (DN<sub>b</sub>) after high temperature catalytic oxidative combustion
BS EN ISO 9697:2017 Water quality. Gross beta activity in non-saline water. Test method using thick source
NS-EN ISO 11732:2005 Water quality — Determination of ammonium nitrogen — Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005)
DANSK DS/ISO 28540:2011 Water quality - Determination of 16 polycyclic aromatic hydrocarbons (PAH) in water - Method using gas chromatography with mass spectrometric detection (GC-MS)
NS-ISO 28540:2011 Water quality - Determination of 16 polycyclic aromatic hydrocarbons (PAH) in water - Method using gas chromatography with mass spectrometric detection (GC-MS)
DIN EN ISO 9696 E:2016 Draft Document - Water quality - Measurement of gross alpha activity in non-saline water - Thick source method (ISO/DIS 9696:2015); German and English version prEN ISO 9696:2015
BS 6068-3.1:1993 Water quality. Radiological methods-Measurement of gross alpha activity in non-saline water: thick source method
AENOR UNE-EN ISO 10704:2016 Water quality. Measurement of total alpha and beta activity in non-saline water. Thin layer deposition method. (ISO 10704:2009).
BS EN ISO 11704:2015 Water quality. Measurement of gross alpha and beta activity concentration in non-saline water. Liquid scintillation counting method
AENOR UNE-EN ISO 9697:2017 Water quality. Total beta activity in non-saline water. Test method from a concentrated source. (ISO 9697:2015).
NS-EN ISO 11704:2015 Water quality — Measurement of gross alpha and beta activity concentration in non-saline water — Liquid scintillation counting method (ISO 11704:2010)
DIN EN ISO 11704 E:2015 Draft Document - Water quality - Measurement of gross alpha and beta activity concentration in non-saline water - Liquid scintillation counting method (ISO 11704:2010); German version FprEN ISO 11704:2015
DIN ISO 28540 E:2013 Draft Document - Water quality - Determination of 16 polycyclic aromatic hydrocarbons (PAH) in water - Method using gas chromatography with mass spectrometric detection (GC-MS) (ISO 28540:2011)
NS-EN ISO 17993:2003 Water quality — Determination of 15 polycyclic aromatic hydrocarbons (PAH) in water by HPLC with fluorescence detection after liquid-liquid extraction (ISO 17993:2002)
DANSK DS/EN ISO 17993:2004 Water quality - Determination of 15 polycyclic aromatic hydrocarbons (PAH) in water by HPLC with fluorescence detection after liquid-liquid extraction
DANSK DS/ISO 10705-3:2004 Water quality - Detection and enumeration of bacteriophages - Part 3: Validation of methods for concentration of bacteriophages from water
BS PD ISO/TS 15923-2:2017 Water quality. Determination of selected parameters by discrete analysis systems-Chromium(VI), fluoride, total alkalinity, total hardness, calcium, magnesium, iron, iron(II), manganese and aluminium with photometric detection
AENOR UNE-EN 16694:2016 Water quality. Determination of selected polybrominated diphenyl ethers (PBDEs) in total water samples. Solid phase extraction (SPE) method with SPE discs combined with gas chromatography-mass spectrometry (GC-MS).
DANSK DS/ISO/TS 15923-2:2017 Water quality – Determination of selected parameters by discrete analysis systems – Part 2: Chromium(VI), fluoride, total alkalinity, total hardness, calcium, magnesium, iron, iron(II), manganese and aluminium with photometric detection

American Society for Testing and Materials (ASTM), Total nitrogen in water quality testing

ASTM D8001-16e1 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM D8001-16 Standard Test Method for Determination of Total Nitrogen, Total Kjeldahl Nitrogen by Calculation, and Total Phosphorus in Water, Wastewater by Ion Chromatography
ASTM D8083-16(2023) Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM D8083-16 Standard Test Method for Total Nitrogen, and Total Kjeldahl Nitrogen (TKN) by Calculation, in Water by High Temperature Catalytic Combustion and Chemiluminescence Detection
ASTM D5176-20 Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-91(2003) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-91(1995) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-08 Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5176-08(2015) Standard Test Method for Total Chemically Bound Nitrogen in Water by Pyrolysis and Chemiluminescence Detection
ASTM D5475-93(1997) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
ASTM D5475-93(2002) Standard Test Method for Nitrogen- and Phosphorus-Containing Pesticides in Water by Gas Chromatography with a Nitrogen-Phosphorus Detector
ASTM D6366-99 Standard Test Method for Total Trace Nitrogen and Its Derivatives in Liquid Aromatic Hydrocarbons by Oxidative Combustion and Electrochemical Detection
ASTM D5907-18 Standard Test Methods for Filterable Matter (Total Dissolved Solids) and Nonfilterable Matter (Total Suspended Solids) in Water
ASTM D4129-05(2020) Standard Test Method for Total and Organic Carbon in Water by High Temperature Oxidation and by Coulometric Detection
ASTM D5173-15 Standard Guide for On-Line Monitoring of Total Organic Carbon in Water by Oxidation and Detection of Resulting Carbon Dioxide
ASTM D5173-15(2023) Standard Guide for On-Line Monitoring of Total Organic Carbon in Water by Oxidation and Detection of Resulting Carbon Dioxide
ASTM D4129-98 Standard Test Method for Total and Organic Carbon in Water by High Temperature Oxidation and by Coulometric Detection
ASTM D4129-98(2003) Standard Test Method for Total and Organic Carbon in Water by High Temperature Oxidation and by Coulometric Detection
ASTM D412-98a(2002)e1 Standard Test Methods for Vulcanized Rubber and Thermoplastic Elastomers8212;Tension
ASTM D412-06ae1 Standard Test Methods for Vulcanized Rubber and Thermoplastic Elastomersx2014;Tension
ASTM D6317-98(2009) Standard Test Method for Low Level Determination of Total Carbon, Inorganic Carbon and Organic Carbon in Water by Ultraviolet, Persulfate Oxidation, and Membrane Conductivity Detection
ASTM D4176-21 Standard Test Method for Free Water and Particulate Contamination in Distillate Fuels (Visual Inspection Procedures)
ASTM D4176-93(1997) Standard Test Method for Free Water and Particulate Contamination in Distillate Fuels (Visual Inspection Procedures)
ASTM D4176-02 Standard Test Method for Free Water and Particulate Contamination in Distillate Fuels (Visual Inspection Procedures)
ASTM D4176-22 Standard Test Method for Free Water and Particulate Contamination in Distillate Fuels (Visual Inspection Procedures)
ASTM D6317-98 Standard Test Method for Low Level Determination of Total Carbon, Inorganic Carbon and Organic Carbon in Water by Ultraviolet, Persulfate Oxidation, and Membrane Conductivity Detection
ASTM D6317-98(2004) Standard Test Method for Low Level Determination of Total Carbon, Inorganic Carbon and Organic Carbon in Water by Ultraviolet, Persulfate Oxidation, and Membrane Conductivity Detection

Professional Standard - Environmental Protection, Total nitrogen in water quality testing

HJ/T 199-2005 Water quality Determination of tota-nitrogen Gas-phase molecular absorption spectrometry
HJ 537-2009 Water quality.Determination of ammonia nitrogen.Distillation-neutralization titration
HJ 101-2019 Ammonia nitrogen water quality online automatic monitor technical requirements and detection methods
HJ 667-2013 Water quality.Determination of total nitrogen by continuous flow analysis (CFA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry
HJ 668-2013 Water quality.Determination of total nitrogen by flow injection analysis (FIA) and N-(1-naphthyl)ethylene diamine dihydrochloride spectrophotometry
HJ 636-2012 Water quality.Determination of total nitrogen.Alkaline potassium persulfate digestion UV spectrophotometric method
HJ 550-2009 Water quality.Determination of cobalt.5-CI-PADAB spectrophotometry
HJ 798-2016 Specifications Test Methods for Automatic/On-line Monitor of Total Chromium in Water

British Standards Institution (BSI), Total nitrogen in water quality testing

BS EN ISO 13395:1996(1998) Water quality — Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
BS EN ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
BS ISO 23697-2:2023 Water quality. Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Chromotropic acid colour reaction
BS ISO 23695:2023 Water quality. Determination of ammonium nitrogen in water. Small-scale sealed tube method
BS ISO 23697-1:2023 Water quality. Determination of total bound nitrogen (ST-TNb) in water using small-scale sealed tubes - Dimethylphenol colour reaction
21/30426878 DC BS ISO 23697-2. Water quality. Determination of total nitrogen (TNb) in water using small-scale sealed tubes. Part 2. Chromotropic acid based method
21/30426875 DC BS ISO 23697-1. Water quality. Determination of total nitrogen (TNb) in water using small-scale sealed tubes. Part 1. Dimethylphenol based method
21/30396472 DC BS ISO 23695. Water quality. Determination of ammonium nitrogen in water. Small-scale sealed tube method
DD ENV 12260-1996 Water quality. Determination of nitrogen. Determination of bound nitrogen, after combustion and oxidation to nitrogen dioxide, using chemiluminescence detection
BS EN ISO 20236:2021 Water quality. Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN_b) and dissolved bound nitrogen (DN_b) after high temperature catalytic oxidative combustion
BS EN ISO 20236:2021(2022) Water quality — Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion
BS ISO 9697:2015 Water quality. Gross beta activity in non-saline water. Test method using thick source
BS EN ISO 11732:2005 Water quality. Determination of ammonium nitrogen. Method by flow analysis (CFA and FIA) and spectrometric detection
BS ISO 9696:2007 Water quality - Measurement of gross alpha activity in non-saline water - Thick source method
BS ISO 9697:2008 Water quality - Measurement of gross beta activity in non-saline water - Thick source method
22/30455832 DC BS EN 17892. Water quality. Determination of the sum of perfluorinated substances (Sum of PFAS) in drinking water. Method using liquid chromatography/mass spectrometry (LC/MS)
BS ISO 10704:2010 Water quality. Measurement of gross alpha and gross beta activity in non-saline water. Thin source deposit method
BS ISO 10704:2009 Water quality - Measurement of gross alpha and gross beta activity in non-saline water - Thin source deposit method
23/30464382 DC BS EN ISO 20236. Water quality. Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN b) and dissolved bound nitrogen (DN b) after high temperature catalytic oxidative combustion
15/30331502 DC BS EN ISO 9696. Water quality. Measurement of gross alpha activity in non-saline water. Thick source method
BS EN ISO 7899-2:2000 Water quality. Detection and enumeration of intestinal enterococci in surface and waste water. Membrane filtration method
BS EN 15216:2021 Environmental solid matrices. Determination of total dissolved solids (TDS) in water and eluates
BS ISO 11704:2010 Water quality - Measurement of gross alpha and beta activity concentration in non-saline water - Liquid scintillation counting method
BS ISO 28540:2011 Water quality. Determination of 16 polycyclic aromatic hydrocarbons (PAH) in water. Method using gas chromatography with mass spectrometric detection (GC-MS)
BS ISO 17381:2003 Water quality. Selection and application of ready-to-use test kit methods in water analysis
BS ISO 10705-3:2003 Water quality. Detection and enumeration of bacteriophages. Validation of methods for concentration of bacteriophages from water
BS EN ISO 17993:2003 Water quality. Determination of 15 polycyclic aromatic hydrocarbons (PAH) in water by HPLC with fluorescence detection after liquid-liquid extraction
BS EN ISO 17993:2003(2004)*BS 6068-2.79:2003 Water quality — Determination of 15 polycyclic aromatic hydrocarbons (PAH) in water by HPLC with fluorescence detection after liquid - liquid extraction
BS EN ISO 9308-1:2000 Water quality - Detection and enumeration of Escherichia coli and coliform bacteria - Membrane filtration method
BS EN ISO 9308-3:1999 Water quality. Detection and enumeration of Escherichia Coli and coliform bacteria in surface and waste water. Miniaturized method (most probable number) for the detection and enumeration of $7IE. coli$7R in surface and waste water
BS EN 12145:1997 Fruit and vegetable juices - Determination of total dry matter - Gravimetric method with loss of mass on drying
BS EN ISO 7899-1:1999 Water quality. Detection and enumeration of intestinal enterococci in surface and waste water. Miniaturized method (Most probable number) for surface and waste water
BS EN ISO 17993:2002 Water quality - Determination of 15 polycyclic aromatic hydrocarbons (PAH) in water by HPLC with fluorescence detection after liquid-liquid extraction
BS ISO 17993:2002 Water quality - Determination of 15 polycyclic aromatic hydrocarbons (PAH) in water by HPLC with fluorescence detection after liquid-liquid extraction
BS EN ISO 9308-3:1999(2008)*BS 6068-4.10:1999 Water quality — Detection and enumeration of Escherichia coli and coliform bacteria — Part 3 : Miniaturized method (Most Probable Number) for the detection and enumeration of E. coli in surface and waste water

GSO, Total nitrogen in water quality testing

OS GSO ISO 13395:2013 Water quality -- Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
OS GSO ISO 29441:2013 Water quality -- Determination of total nitrogen after UV digestion -- Method using flow analysis (CFA and FIA) and spectrometric detection
GSO ISO 29441:2013 Water quality -- Determination of total nitrogen after UV digestion -- Method using flow analysis (CFA and FIA) and spectrometric detection
GSO ISO 14255:2013 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
OS GSO ISO 14255:2013 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
BH GSO ISO 10704:2016 Water quality -- Measurement of gross alpha and gross beta activity in non-saline water -- Thin source deposit method
GSO ISO 9697:2013 Water quality - Measurement of gross beta activity in non-saline water - Thick source method
OS GSO ISO 9697:2013 Water quality - Measurement of gross beta activity in non-saline water - Thick source method
BH GSO ISO 11732:2016 Water quality -- Determination of ammonium nitrogen -- Method by flow analysis (CFA and FIA) and spectrometric detection
GSO ISO 11732:2015 Water quality -- Determination of ammonium nitrogen -- Method by flow analysis (CFA and FIA) and spectrometric detection
OS GSO ISO 11732:2015 Water quality -- Determination of ammonium nitrogen -- Method by flow analysis (CFA and FIA) and spectrometric detection
GSO ISO 9696:2013 Water quality - Measurement of gross alpha activity in non-saline water - Thick source method
GSO ISO 13395:2013 Water quality -- Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection
GSO ISO 22719:2013 Water quality - Determination of total alkalinity in sea water using high precision potentiometric titration
GSO ISO 10704:2013 Water quality -- Measurement of gross alpha and gross beta activity in non-saline water -- Thin source deposit method
GSO ISO 2975-1:2014 Measurement of water flow in closed conduits -- Tracer methods -- Part 1: General
BH GSO ISO 28540:2016 Water quality - Determination of 16 polycyclic aromatic hydrocarbons (PAH) in water - Method using gas chromatography with mass spectrometric detection (GC-MS)
OS GSO ISO 28540:2013 Water quality - Determination of 16 polycyclic aromatic hydrocarbons (PAH) in water - Method using gas chromatography with mass spectrometric detection (GC-MS)
OS GSO ISO 11704:2013 Water quality -- Measurement of gross alpha and beta activity concentration in non-saline water -- Liquid scintillation counting method
GSO ISO 11704:2013 Water quality -- Measurement of gross alpha and beta activity concentration in non-saline water -- Liquid scintillation counting method
GSO ISO 10705-3:2013 Water quality -- Detection and enumeration of bacteriophages -- Part 3: Validation of methods for concentration of bacteriophages from water
GSO ISO 17993:2013 Water quality -- Determination of 15 polycyclic aromatic hydrocarbons (PAH) in water by HPLC with fluorescence detection after liquid-liquid extraction
BH GSO ISO 17993:2016 Water quality -- Determination of 15 polycyclic aromatic hydrocarbons (PAH) in water by HPLC with fluorescence detection after liquid-liquid extraction
OS GSO ISO 17993:2013 Water quality -- Determination of 15 polycyclic aromatic hydrocarbons (PAH) in water by HPLC with fluorescence detection after liquid-liquid extraction
BH GSO ISO 10705-3:2016 Water quality -- Detection and enumeration of bacteriophages -- Part 3: Validation of methods for concentration of bacteriophages from water
OS GSO ISO 10705-3:2013 Water quality -- Detection and enumeration of bacteriophages -- Part 3: Validation of methods for concentration of bacteriophages from water
GSO ISO 9308-3:2013 Water quality - Detection and enumeration of Escherichia coli and coliform bacteria - Part 3: Miniaturized method (Most Probable Number) for the detection and enumeration of E. coli in surface and waste water

VN-TCVN, Total nitrogen in water quality testing

TCVN 3705-1990 Aquatic products.Method for the determination of total nitrogen and protein content
TCVN 6643-2000 Soil quality.Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
TCVN 6053-2011 Water quality.Measurement of gross alpha activity in non-saline water.Thick source method
TCVN 6219-2011 Water quality.Measurement of gross beta activity in non-saline water.Thick source method
TCVN 6189-1-2009 Water quality.Detection and enumeration of intestinal enterococci in surface and waste water.Part 1: Miniaturized method (most probable number) by inoculation in liquid medium

Group Standards of the People's Republic of China, Total nitrogen in water quality testing

T/CHES 15-2017 Determination of Total Nitrogen in Water Quality Gas Phase Molecular Absorption Spectrometry
T/CPMA 021-2020 Method of on-site detection of ammonia nitrogen in drinking water - Salicylic Acid Method
T/CPCIF 0168-2021 Rapid detection kits for nitrite，nitrate and ammonia nitrogen in water
T/CASAS 010-2019 Determination of Trace Impurities Concentration and Distribution in GaN Materials by Secondary Ion Mass Spectrometry
T/WSJD 52-2024 General requirements for laboratories and quality control of total alpha and total beta radioactivity measurement in drinking water
T/SATA 071-2024 Determination of total coliform, Escherichia coli and fecal coliform in water Fluorescence assay

German Institute for Standardization, Total nitrogen in water quality testing

DIN EN ISO 13395:1996-12 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996); German version EN ISO 13395:1996
DIN EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005); German version EN ISO 11732:2005
DIN ISO 14255:1998-11 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant (ISO 14255:1998)
DIN EN 17892:2022-09 Water quality - Determination of the sum of perfluorinated substances (Sum of PFAS) in drinking water - Method using liquid chromatography/mass spectrometry (LC/MS); German and English version prEN 17892:2022 / Note: Date of issue 2022-08-12
DIN ISO 14255:1998 Soil quality - Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant (ISO 14255:1998)
DIN EN 17892:2022 Water quality - Determination of the sum of perfluorinated substances (Sum of PFAS) in drinking water - Method using liquid chromatography/mass spectrometry (LC/MS); German and English version prEN 17892:2022
DIN EN ISO 13395:1996 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996); German version EN ISO 13395:1996
DIN EN ISO 20236:2023 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN) and dissolved bound nitrogen (DN) after high temperature catalytic oxidative combustion (ISO 20236:2018)
DIN EN ISO 11732:2005-05 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005); German version EN ISO 11732:2005
DIN EN ISO 20236:2023-10 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TN<(Index)b>) and dissolved bound nitrogen (DN<(Index)b>) after high temperature catalytic oxidative combustion (ISO/DIS 2023...
DIN EN 15216:2019 Environmental matrices - Determination of total dissolved solids (TDS) in water and eluates; German and English version prEN 15216:2019
DIN EN ISO 9697:2016 Water quality - Gross beta activity in non-saline water - Test method using thick source (ISO 9697:2015); German and English version FprEN ISO 9697:2015
DIN 50450-1:1987-08 Testing of materials for semiconductor technology; determination of impurities in carrier gases and doping gases; determination of water impurity in hydrogen, oxygen, nitrogen, argon and helium by using a diphosphorus pentoxide cell
DIN EN ISO 11704:2015-11 Water quality - Measurement of gross alpha and beta activity concentration in non-saline water - Liquid scintillation counting method (ISO 11704:2010); German version EN ISO 11704:2015 / Note: To be replaced by DIN EN ISO 11704 (2017-10).
DIN EN 15216:2021-12 Environmental solid matrices - Determination of total dissolved solids (TDS) in water and eluates; German version EN 15216:2021
DIN ISO 28540:2014-05 Water quality - Determination of 16 polycyclic aromatic hydrocarbons (PAH) in water - Method using gas chromatography with mass spectrometric detection (GC-MS) (ISO 28540:2011)
DIN EN ISO 10704:2015 Water quality - Measurement of gross alpha and gross beta activity in non-saline water - Thin source deposit method (ISO 10704:2009); German version EN ISO 10704:2015
DIN 38409-10:1980-07 German standard methods for the examination of water, waste water and sludge; general measures of effects and substances (group H), determination of the settleable matter by mass concentration in water and waste water (H10)
DIN 38409-9:1980-07 German standard methods for the examination of water, waste water and sludge; general measures of effects and substances (group H), determination of the settleable matter by volume in water and waste water (H9)
DIN EN ISO 7899-1:1999-07 Water quality - Detection and enumeration of intestinal enterococci in surface and waste water - Part 1: Miniaturized method (most probable number) by inoculation in liquid medium (ISO 7899-1:1998); German version EN ISO 7899-1:1998
DIN 38409-23:1980 German standard methods for the examination of water, waste water and sludge; general measures of effects and substances (group H), determination of methylen blue active and bismut active substances (H23)
DIN EN 15216:2021 Environmental solid matrices - Determination of total dissolved solids (TDS) in water and eluates; German version EN 15216:2021
DIN ISO 28540:2014 Water quality - Determination of 16 polycyclic aromatic hydrocarbons (PAH) in water - Method using gas chromatography with mass spectrometric detection (GC-MS) (ISO 28540:2011)
DIN EN ISO 17993:2004-03 Water quality - Determination of 15 polycyclic aromatic hydrocarbons (PAH) in water by HPLC with fluorescence detection after liquid-liquid extraction (ISO 17993:2002); German version EN ISO 17993:2003
DIN 38407-27:2012 German standard methods for the examination of water, waste water and sludge - Jointly determinable substances (group F) - Part 27: Determination of selected phenols in groundwater and leachate, aqueous eluates and percolates (F 27)

Lithuanian Standards Office , Total nitrogen in water quality testing

LST EN ISO 13395:2000 Water quality - Determination of nitrite nitrogen and nitrate nitrogen and the sum of both by flow analysis (CFA and FIA) and spectrometric detection (ISO 13395:1996)
LST EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005)
LST ISO 9696:2008 Water quality - Measurement of gross alpha activity in non-saline water - Thick source method (ISO 9696:2007, identical)
LST ISO 9697:2009 Water quality - Measurement of gross beta activity in non-saline water - Thick source method (ISO 9697:2008, identical)
LST EN ISO 17993:2004 Water quality - Determination of 15 polycyclic aromatic hydrocarbons (PAH) in water by HPLC with fluorescence detection after liquid-liquid extraction (ISO 17993:2002)

BE-NBN, Total nitrogen in water quality testing

NBN V 21-013-1978 Determination of the total nitrogen contaimng substances content of milk - Amido black method

CEN - European Committee for Standardization, Total nitrogen in water quality testing

EN ISO 11732:1997 Water Quality - Determination of Ammonium Nitrogen by Flow Analysis (CFA and FIA) and Spectrometric Detection
EN ISO 9697:2019 Water quality - Gross beta activity - Test method using thick source
EN ISO 10704:2019 Water quality - Gross alpha and gross beta activity - Test method using thin source deposit
EN ISO 8968-4:2001 Milk - Determination of Nitrogen Content - Part 4: Determination of Non-Protein Nitrogen Content
EN ISO 11704:2018 Water quality - Gross alpha and gross beta activity - Test method using liquid scintillation counting

Indonesia Standards, Total nitrogen in water quality testing

SNI ISO 9697:2009 Water quality - Measurement of gross beta activity in non-saline water - Thick source method
SNI 06-2413-2002 Test methods for solid matter content in water
SNI ISO 9696:2009 Water quality - Measurement of gross alpha activity in non-saline water - Thick source method
SNI 19-6964.7-2003 Seawater quality - Part 7: Test methods of nitrates (NO3-N) with cadmium reduction by spectrophotometry

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Total nitrogen in water quality testing

GB/T 32437-2015 Testing methods for harmful substances of furniture.General guidelines
GB/T 24318-2009 Determination of total nitrogen content in animal feeding stuffs by combustion according to the Dumas principle and calculation of the crude protein content

AENOR, Total nitrogen in water quality testing

UNE-EN ISO 13395:1997 WATER QUALITY. DETERMINATION OF NITRITE NITROGEN AND NITRATE NITROGEN AND THE SUM OF BOTH BY FLOW ANALYSIS (CFA AND FIA) AND SPECTROMETRIC DETECTION. (ISO 13395:1996).
UNE 77306:1999 SOIL QUALITY. DETERMINATION OF NITRATE NITROGEN, AMMONIUM NITROGEN AND TOTAL SOLUBLE NITROGEN IN AIR-DRY SOIL USING CALCIUM CHLORIDE SOLUTION AS EXTRACTANT.
UNE-EN ISO 11732:2005 Water quality - Determination of ammonium nitrogen - Method by flow analysis (CFA and FIA) and spectrometric detection (ISO 11732:2005)
UNE-EN ISO 9697:2017 Water quality - Gross beta activity in non-saline water - Test method using thick source (ISO 9697:2015)
UNE-EN ISO 17993:2004 Water quality - Determination of 15 polycyclic aromatic hydrocarbons (PAH) in water by HPLC with fluorescence detection after liquid-liquid extraction (ISO 17993:2002)

BR-ABNT, Total nitrogen in water quality testing

ABNT MB-1133-1979 Use the Devada aluminum-copper-zinc alloy test method to detect nitrogen and ammonia-containing nitrogen compounds in fertilizers

HU-MSZT, Total nitrogen in water quality testing

MSZ 3227/15.lap-1967 Wool quality testing ph value testing in wool water
MSZ 10778/23.lap-1966 High-quality ribbon and silk detection mode. High quality ribbon silk boiled water part quantity definition

国家能源局, Total nitrogen in water quality testing

SY/T 7436-2019 Separation and detection method of neutral nitrogen compounds in petroleum geological samples

Professional Standard - Geology, Total nitrogen in water quality testing

DZ/T 0064.76-1993 Groundwater Quality Examination Methods Radiochemical Method Determination of Total α and Total β
DZ/T 0064.23-1993 Groundwater quality testing method Determination of iron by phenanthrene spectrophotometry
DZ/T 0064.9-1993 Determination of Total Dissolved Solids in Groundwater Quality Examination Methods
DZ/T 0064.18-1993 Groundwater quality testing method Determination of total chromium and hexavalent chromium by catalytic polarography

ES-UNE, Total nitrogen in water quality testing

UNE-EN ISO 20236:2022 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)
UNE-EN 15216:2021 Environmental solid matrices - Determination of total dissolved solids (TDS) in water and eluates (Endorsed by Asociación Española de Normalización in December of 2021.)
UNE-ISO 10705-3:2021 Water quality. Detection and enumeration of bacteriophages. Part 3: Validation of methods for concentration of bacteriophages from water
UNE-EN ISO 9308-3/AC:2000 Water quality - Detection and enumeration of Escherichia coli and coliform bacteria - Part 3: Miniaturized method (Most Probable Number) for the detection and enumeration of E.coli in surface and waste water (ISO 9308-3:1998)

Guangdong Provincial Standard of the People's Republic of China, Total nitrogen in water quality testing

DB44/T 1163-2013 Detection method of composite enzyme substrate for the total number of bacterial colonies in water

KR-KS, Total nitrogen in water quality testing

KS I ISO 14255-2009(2023) Soil quality－Determination of nitrate nitrogen, ammonium nitrogen and total soluble nitrogen in air-dry soils using calcium chloride solution as extractant
KS I ISO 10705-3-2015 Water quality — Detection and enumeration of bacteriophages — Part 3: Validation of methods for concentration of bacteriophages from water
KS I ISO 10705-3-2021 Water quality — Detection and enumeration of bacteriophages —Part 3: Validation of methods for concentration of bacteriophages from water
KS I ISO 17993-2022 Water quality — Determination of 15 polycyclic aromatic hydrocarbons — PAH in water by HPLC with fluorescence detection after liquid-liquid extraction

AT-ON, Total nitrogen in water quality testing

OENORM EN ISO 20236:2021 Water quality - Determination of total organic carbon (TOC), dissolved organic carbon (DOC), total bound nitrogen (TNb) and dissolved bound nitrogen (DNb) after high temperature catalytic oxidative combustion (ISO 20236:2018)

Professional Standard - Commodity Inspection, Total nitrogen in water quality testing

SN/T 2115-2008 Determination of the hotel nitrogen content and calculation of the crude protein content in food and feed for import and export.Combustion according to the Dumas principle
SN/T 2000-2013 Determination of certain hazardous substances in electrical and electronic equipment.General guidelines
SN/T 2000-2006 Determination of certain hazardous substances in electrical and electronic equipment.General guidelines
SN/T 2239-2008 Determination of isometamidium residue in foodstuffs of animal origin for import and export.LC-MS/MS method
SN/T 4302-2015 Rapid detection method of tris-(aziridyl)phosphine oxide in textiles by gas chromatography-mass spectrometry
SN/T 2220-2008 Determination of benzodiazepine residues in foodstuffs of animal origin for import and export.HPLC-MS/MS metfod
SN/T 4319-2015 Detection of Microcystins in Exported Aquatic Products by Liquid Chromatography-Mass Spectrometry/Mass Spectrometry
SN/T 0218-2014 Determination of pyrethrins residues in cereals for export.GC-MS method
SN/T 3642-2013 Determination of metalaxyl residues in fruits for export.GC/MS method
SN/T 1927-2007 Determination of cyadox residues in aquatic products for import and export.LC-MS/MS method
SN/T 2221-2008 Determination of azaperone and its metabolite residues in foodstuffs of animal origin for import and export.GC-MS method
SN/T 2216-2008 Determination of colchicine residues in foodstuffs of animal origin for import and export LC-MS/MS method

Standard Association of Australia （SAA）, Total nitrogen in water quality testing

AS 2300.1.2.2:1988 Methods of chemical and physical testing for the dairying industry - General methods and principles - Determination of nitrogen - Nitrogen fractions from milk

YU-JUS, Total nitrogen in water quality testing

JUS H.Z1.137-1985 Testing of industrial vvaters. Determination of nitrite-nitrate and the combined nitrite-nitrate nitrogen, Spectrophotometric method

中华人民共和国环境保护部, Total nitrogen in water quality testing

GB 11894-1989 Water quality-Determination of total nitrogen-Alkaline potassium persulfate digestion-UV spectrophotometric method

Agricultural Standard of the People's Republic of China, Total nitrogen in water quality testing

农业部1163号公告-9-2009 Determination of diethylstilbestrol residues in fishery products Gas chromatography-mass spectrometry method

国家质量监督检验检疫总局, Total nitrogen in water quality testing

SN/T 1114-2014 Determination method for diconazole residues in fruits for export: liquid chromatography-mass spectrometry/mass spectrometry

水利部, Total nitrogen in water quality testing

SL/T 788-2019 Determination of total nitrogen, volatile phenols, sulfides, anionic surfactants and hexavalent chromium in water quality continuous flow analysis-spectrophotometry

RU-GOST R, Total nitrogen in water quality testing

GOST R 51423-1999 Feedstuffs, compound feeds, feed raw materials. Method for determination of soluble nitrogen fraction of total mass after treatment with pepsin in dilute hydrochloric acid

Professional Standard - Railway, Total nitrogen in water quality testing

TB/T 2930-1998 Detection method of total coliform bacteria in railway domestic drinking water β-galactosidase membrane fluorescence method

PL-PKN, Total nitrogen in water quality testing

PN-ISO 10705-3-2021-01 P Water quality -- Detection and enumeration of bacteriophages -- Part 3: Validation of methods for concentration of bacteriophages from water

BELST, Total nitrogen in water quality testing

STB 17.13.05-43-2015 Еnvironmental pгоtесtion and nature use. Analytic (laboratory) control and monitoring of the environment. Water quality. Determination of the concentration of nitrogen of nitrates by photometric method with salicylic acid

海关总署, Total nitrogen in water quality testing

SN/T 0654-2019 Determination of Captan Residues in Exported Fruits by Gas Chromatography and Gas Chromatography-Mass Spectrometry/Mass Spectrometry

KE-KEBS, Total nitrogen in water quality testing

KS 08-264-1981 KENYA STANDARD METHODS FOR ESTIMATION OF MOISTURE. TOTAL SIZE OR FINISH, ASH. FATTY MATTER AND DETERMINATION OF WATER-SOLUBLE MATTER IN TEXTILES