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Flame Atomic Absorption Spectrometry

Flame Atomic Absorption Spectrometry, Total:333 items.

In the international standard classification, Flame Atomic Absorption Spectrometry involves: Testing of metals, Water quality, Analytical chemistry, Wastes, Metalliferous minerals, Non-ferrous metals, Non-metalliferous minerals, Raw materials for rubber and plastics, Ferroalloys, Ferrous metals, Welding, brazing and soldering, Inorganic chemicals, Refractories, Measurement of fluid flow, Fuels, Fertilizers, Manufacturing processes in the rubber and plastics industries, Rubber, Paint ingredients, Pulps, Products of non-ferrous metals, Products of the chemical industry, Iron and steel products, Coals, Corrosion of metals, Soil quality. Pedology.

VN-TCVN, Flame Atomic Absorption Spectrometry

TCVN 1048-2007 Glass.Resistance to attack by hydrochloric acid at 100 degrees C.Flame emission or flame atomic absorption spectrometry method

Association Francaise de Normalisation, Flame Atomic Absorption Spectrometry

NF B30-111*NF ISO 1776:1986 Glass. Resistance to attack by hydrochloric acid at 100 degrees Celsius. Flame emission or flame atomic absorption spectrometric method.
NF ISO 1776:1986 Verre - Résistance à l'attaque par l'acide chlorhydrique à 100 degrés Celsius. Méthode de détermination par spectrométrie d'absorption atomique de flamme ou d'émission de flamme.
NF EN 10177:2019 Aciers - Détermination de la teneur en calcium - Méthode par spectrométrie d'absorption atomique dans la flamme (SAAF)
NF EN 10181:2019 Aciers - Détermination de la teneur en plomb - Méthode par spectrométrie d'absorption atomique dans la flamme (SAAF)
NF T12-024:1982 Cellulose. Determination of the copper content. Extraction method and flame atomic absorption spectrometric method.
NF EN 15690-2:2009 Cuivre et alliages de cuivre - Dosage du fer - Partie 2 : méthode par spectrométrie d'absorption atomique dans la flamme (SAAF)
NF EN 50414:2006 Méthodes d'analyse du plomb dans le PVC prélevé de l'enveloppe isolante et des gaines des câbles électriques et à fibres optiques - Méthode A : détermination de la teneur totale en plomb par spectrométrie atomique d'absorption dans la flamm...
NF EN 16135:2012 Carburants pour automobiles - Détermination de la teneur en manganèse dans les essences sans plomb - Méthode par spectrométrie d'absorption atomique de flamme (FAAS)

American Society for Testing and Materials (ASTM), Flame Atomic Absorption Spectrometry

ASTM D1971-95 Standard Practices for Digestion of Water Samples for Determination of Metals by Flame Atomic Absorption, Graphite Furnace Atomic Absorption, Plasma Emission Spectroscopy, or Plasma Mass Spectrometry
ASTM D1971-16 Standard Practices for Digestion of Water Samples for Determination of Metals by Flame Atomic Absorption, Graphite Furnace Atomic Absorption, Plasma Emission Spectroscopy, or Plasma Mass Spectrometry
ASTM D1971-16(2021)e1 Standard Practices for Digestion of Water Samples for Determination of Metals by Flame Atomic Absorption, Graphite Furnace Atomic Absorption, Plasma Emission Spectroscopy, or Plasma Mass Spectrometry
ASTM D1971-02(2006) Standard Practices for Digestion of Water Samples for Determination of Metals by Flame Atomic Absorption, Graphite Furnace Atomic Absorption, Plasma Emission Spectroscopy, or Plasma Mass Spectrometry
ASTM D1971-02 Standard Practices for Digestion of Water Samples for Determination of Metals by Flame Atomic Absorption, Graphite Furnace Atomic Absorption, Plasma Emission Spectroscopy, or Plasma Mass Spectrometry
ASTM D1971-11 Standard Practices for Digestion of Water Samples for Determination of Metals by Flame Atomic Absorption, Graphite Furnace Atomic Absorption, Plasma Emission Spectroscopy, or Plasma Mass Spectrometry
ASTM D4075-87(1997) Standard Test Methods for Compounding Materials-Flame Atomic Absorption Technique-Determination of Metals
ASTM D4075-06 Standard Test Methods for Rubber Compounding Materials8212;Flame Atomic AbsorptionAnalysis8212;Determination of Metals
ASTM D4004-06 Standard Test Methods for Rubber8212;Determination of Metal Content by Flame Atomic Absorption (AAS) Analysis
ASTM D4075-06(2012) Standard Test Methods for Rubber Compounding Materialsmdash;Flame Atomic Absorption Analysismdash;Determination of Metals
ASTM D4004-06(2012) Standard Test Methods for Rubbermdash;Determination of Metal Content by Flame Atomic Absorption (AAS) Analysis
ASTM D4004-06(2017) Standard Test Methods for Rubber—Determination of Metal Content by Flame Atomic Absorption (AAS) Analysis
ASTM E1613-99 Standard Test Method for Determination of Lead by Inductively Coupled Plasma Atomic Emission Spectrometry (ICP-AES), Flame Atomic Absorption Spectrometry (FAAS), or Graphite Furnace Atomic Absorption Spectrometry (GFAAS) Techniques

Standard Association of Australia （SAA）, Flame Atomic Absorption Spectrometry

AS ISO 15248:2015 Zinc sulfide concentrates — Determination of silver and gold contents — Fire assay and flame atomic absorption spectrometric method using scorification or cupellation
AS ISO 10378:2022 Copper, lead and zinc sulfide concentrates — Determination of gold and silver — Fire assay gravimetric and flame atomic absorption spectrometric method
AS 4868.1:2008 Copper, lead and zinc sulfide concentrates - Chemical analysis - Determination of gold and silver - Fire assay gravimetric and flame atomic absorption spectrometric method
AS/NZS 1050.20:1994 Methods for the analysis of iron and steel - Determination of magnesium content (flame atomic absorption spectrometric method)
AS 1050.23:1990 Methods for the analysis of iron and steel - Determination of molybdenum content - Flame atomic absorption spectrometric method
AS 1050.25:1986 Methods for the analysis of iron and steel - Determination of lead content (flame atomic absorption spectrometric method)
AS 1050.29:1989 Methods for the analysis of iron and steel - Determination of cobalt content - Flame atomic absorption spectrometric method
AS 1050.33:1988 Methods for the analysis of iron and steel - Determination of nickel content - Flame atomic absorption spectrometric method
AS/NZS 1050.6:1995 Methods for the analysis of iron and steel - Determination of tin content - Flame atomic absorption spectrometric method
AS/NZS 1050.38:1994 Methods for the analysis of iron and steel - Determination of vanadium content - Flame atomic absorption spectrometric method
AS/NZS 1050.37:1994 Methods for the analysis of iron and steel - Determination of copper content - Flame atomic absorption spectrometric method
AS/NZS 1050.39:1994 Methods for the analysis of iron and steel - Determination of chromium content - Flame atomic absorption spectrometric method

Taiwan Provincial Standard of the People's Republic of China, Flame Atomic Absorption Spectrometry

CNS 13257-1993 Method of Test for Sodium in Industrial Waste Water (Flame Atomic Absorption Spectrophotometry)
CNS 13259-1993 Method of Test for Calcium in Industrial Waste Water (Flame Atomic Absorption Spectrophotometry)
CNS 13260-1993 Method of Test for Magnesium in Industrial Waste Water (Flame Atomic Absorption Spectrophotometry)
CNS 13354-1994 Method of Analysis for Total Zinc in Wastes by Flame Atomic Absorption Spectrophotometry
CNS 13258-1993 Method of Test for Potassium in Industrial Waste Water (Flame Atomic Absorption Spectrophotometry)
CNS 13381-1994 Method of Analysis for Total Cadmium in Wastes by Flame Absorption Spectrometry

Korean Agency for Technology and Standards (KATS), Flame Atomic Absorption Spectrometry

KS E ISO 15248-2007(2022) Zine sulfide concentrates－Determination of silver and gold contents－Fire assay and flame atomic absorption spectrometric method using scorification or cupellation
KS E ISO 10378-2011(2016) Copper sulfide concentrates－Determination of gold and silver contents－Fire assay gravimetric and flame atomic absorption spectrometric method
KS D ISO 11652-2002(2022) Steel and iron－Determination of cobalt content－Flame atomic absorption spectrometric method
KS D ISO 7520-2012(2017) Ferronickel－Determination of cobalt content－Flame atomic absorption spectrometric method
KS D ISO 11652-2002(2017) Steel and iron－Determination of cobalt content－Flame atomic absorption spectrometric method
KS D ISO 10138-2002(2017) Steel and iron－Determination of chromium content－Flame atomic absorption spectrometric method
KS D ISO 10138-2002(2022) Steel and iron－Determination of chromium content－Flame atomic absorption spectrometric method
KS D ISO 5960-2012(2017) Copper alloys－Determination of cadmium content－Flame atomic absorption spectrometric method
KS D ISO 4194-2002(2017) Magnesium alloys－Determination of zinc content－Flame atomic absorption spectrometric method
KS D ISO 5960-2012(2022) Copper alloys－Determination of cadmium content－Flame atomic absorption spectrometric method
KS D ISO 4693-2002(2007) Iron ores－Determination of copper content－Flame atomic absorption spectrometric method
KS D ISO 3750-2012(2022) Zinc alloys－Determination of magnesium content－Flame atomic absorption spectrometric method
KS D ISO 4194-2002(2022) Magnesium alloys－Determination of zinc content－Flame atomic absorption spectrometric method
KS D ISO 3750-2012(2017) Zinc alloys－Determination of magnesium content－Flame atomic absorption spectrometric method
KS D ISO 4943-2002(2017) Steel and cast iron－Determination of copper content－Flame atomic absorption spectrometric method
KS D ISO 4940-2002(2017) Steel and cast iron－Determination of nickel content－Flame atomic absorption spectrometric method
KS M ISO 2071-2002(2012) Aluminium oxide primarily used for the production of aluminium－Determination of zinc content－Flame atomic absorption method
KS D ISO 4740-2003(2013) Copper and copper alloys－Determination of zinc content－Flame atomic absorption spectrometric method
KS D ISO 4744-2002(2017) Copper and copper alloys－Determination of chromium content－Flame atomic absorption spectrometric method
KS D ISO 4192-2002(2017) Aluminium and aluminium alloys－Determination of lead content－Flame atomic absorption spectrometric method
KS D ISO 4744-2002(2022) Copper and copper alloys－Determination of chromium content－Flame atomic absorption spectrometric method
KS M 1934-2002(2007) Urea for industrial use－Determination of biuret content－Flame atomic absortion and photometric absortion methods
KS M ISO 6955:2011 Analytical spectroscopic methods-Flame emission,atomic absorption, and atomic fluorescence-Vocabulary
KS D ISO 6351-2012(2017) Nickel－Determination of silver, bismuth, cadmium, cobalt, copper,iron, manganese, lead and zinc contents－Flame atomic absorption spectrometric method
KS M 6584-2008(2018) Standard test method for rubber－Determination of metal content by Flame Atomic Absorption(AAS) analysis
KS D ISO 4193-2002(2017) Aluminum and aluminum alloys－Determination of chromium content－Flame atomic absorption spectrophotometric method
KS D ISO 4193-2002(2022) Aluminum and aluminum alloys－Determination of chromium content－Flame atomic absorption spectrophotometric method
KS E ISO 15247-2012(2017) Zinc sulfide concentrates－Determination of silver content－Acid dissolution and flame atomic absorption spectrometric method
KS M ISO 1830:2006 Paper, board and pulps-Determination of acid-soluble manganese
KS M ISO 1830:2013 Paper, board and pulps－Determination of acid-soluble manganese
KS E ISO 315-2011(2021) Manganese ores and concentrates－Determination of nickel content－Dimethylglyoxime spectrometric method and flame atomic absorption spectrometric method

Professional Standard - Non-ferrous Metal, Flame Atomic Absorption Spectrometry

YS/T 74.10-1994 Methods of chemical analysis of cadmium-Flame atomic absorption spectrometry for determination of silver content
YS/T 74.4-1994 Methods for chemical analysis of cadmium - Determination of lead content by flame atomic absorption spectrometry
YS/T 74.6-1994 Methods for chemical analysis of cadmium - Determination of zinc content by flame atomic absorption spectrometry
YS/T 536.4-2006 Methods of chemical analysis of bismuth - Determination of silver content by flame atomic absorption spectrometry
YS/T 575.13-2006 Methods of chemical analysis of bauxite ore - Determination of zinc content by flame atomic absorption spectrometry
YS/T 575.7-2006 Methods of chemical analysis of bauxite ore - Determination of calcium oxide content by flame atomic absorption spectrometry
YS/T 575.8-2006 Methods for chemical analysis of bauxite ore - Determination of magnesium oxide content by flame atomic absorption spectrometry
YS/T 575.10-2006 Methods for chemical analysis of bauxite ore - Determination of manganese oxide content by flame atomic absorption spectrometry
YS/T 276.5-2011 Methods for chemical analysis of indium.Part 5:Determination of iron content.Method 1:Graphite furnace atomic absorption spectrometry.Method 2:Flame atomic absorption spectrometry
YS/T 53.3-1992 Methods for chemical analysis of copper, lead-zinc ores and tailings - Determination of silver content by flame atomic absorption spectrometry
YS/T 575.11-2006 Methods of chemical analysis of bauxite ore - Determination of chromium trioxide content by flame atomic absorption spectrometry
YS/T 1605.3-2023 Methods for chemical analysis of roasted molybdenum concentrate— Part 3: Determination of bismuth content— Flame atomic absorption spectrometry and atomic fluorescence spectrometry
YS/T 281.10-1994 Cobalt - Determination of nickel content - Flame atomic absorption spectrophotometric method
YS/T 281.6-1994 Cobalt - Determination of magnesium content - Flame atomic absorption spectrophotometric method
YS/T 281.7-1994 Cobalt - Determination of zinc content - Flame atomic absorption spectrophotometric method
YS/T 281.8-1994 Cobalt - Determination of cadmium content - Flame atomic absorption spectrophotometric method
YS/T 281.9-1994 Cobalt - Determination of lead content - Flame atomic absorption spectrophotometric method
YS/T 575.9-2006 Methods of chemical analysis of bauxite ore - Determination of potassium oxide and sodium oxide by flame atomic absorption spectrometry
YS/T 281.11-1994 Cobalt - Determination of copper and manganese contents - Flame atomic absorption spectrophotometric method
YS/T 276.8-2011 Methods for chemical analysis of indium.Part 8:Determination of bismuth content.Method 1:Hydride generation-atomic fluorescence spectrometry.Method 2:Flame atomic absorption spectrometry
YS/T 240.9-2007 Methods for chemical analysis of bismuth concentrate.Determination of lead content.Iodometric method and the flame atomic absorption spectrometric method
YS/T 248.3-2007 Methods for chemical analysis of crude lead.Determination of antimony content.Flame atomic absorption spectrometric method
YS/T 248.5-2007 Methods for chemical analysis of crude lead.Determination of copper content.Flame atomic absorption spectrometric method
YS/T 248.7-2007 Methods for chemical analysis of crude lead.Determination of silver content.Flame atomic 'absorption spectrometric method
YS/T 248.8-2007 Methods for chemical analysis of crude lead.Determination of zinc content.Flame atomic absorption spectrometric method
YS/T 248.9-2007 Methods for chemical analysis of crude lead.Determination of bismuth content.Flame atomic absorption spectrometric method
YS/T 248.10-2007 Methods for chemical analysis of crude lead.Determination of iron content.Flame atomic absorption spectrometric method
YS/T 240.2-2007 Methods for chemical analysis of bismuth concentrate. Determination of lead content .NaEDTA titrimetric method and flame atomic absorption spectrometric method
YS/T 536.4-2009 Methods for chemical analysis of bismuth.Determination of silver content.Flame atomic absorption spectrophotmetric method and electrothermal atomic absorption spectrometric method
YS/T 341.2-2006 Methods for chemical analysis of nickel concentrates-Determination of copper content-Flame atomic absorption spectrometric method
YS/T 252.3-2007 Methods for chemical analysis of nickel matte.Determination of cobalt content.Flame atomic absorption spectrometric method
YS/T 240.11-2007 Methods for chemical analysis of bismuth concentrate.Determination of silver content.Flame atomic absorption spectrometric method
YS/T 372.15-2006 Methods for elementary analysis of precious alloy. Determination of antimony content. The flame atomic absorption spectrometric method

International Organization for Standardization (ISO), Flame Atomic Absorption Spectrometry

ISO 10378:2005 Copper, lead and zinc sulfide concentrates - Determination of gold and silver - Fire assay gravimetric and flame atomic absorption spectrometric method
ISO 10378:2016 Copper, lead and zinc sulfide concentrates - Determination of gold and silver - Fire assay gravimetric and flame atomic absorption spectrometric method
ISO 7627-1:1983 Methods for chemical analysis of hardmetals Flame atomic absorption spectrometry General requirements
ISO 778:1982 Pulps; Determination of copper content; Extraction-photometric and flame atomic absorption spectrometric methods
ISO 6955:1982 Analytical spectroscopic methods; Flame emission, atomic absorption, and atomic fluorescence; Vocabulary Bilingual edition
ISO 315:1984 Manganese ores and concentrates; Determination of nickel content; Dimethylglyoxime spectrometric method and flame atomic absorption spectrometric method
ISO 779:1982 Pulps; Determination of iron content; 1,10-Phenanthroline photometric and flame atomic absorption spectrometric methods
ISO 1830:1982 Pulps; Determination of manganese content; Sodium periodate photometric and flame atomic absorption spectrometric methods
ISO 15353:2001 Steel and iron - Determination of tin content - Flame atomic absorption spectrometric method (extraction as Sn-SCN)

British Standards Institution (BSI), Flame Atomic Absorption Spectrometry

BS ISO 10378:2005 Copper, lead and zinc sulfide concentrates - Determination of gold and silver - Fire assay gravimetric and flame atomic absorption spectrometric method
BS ISO 10378:2016 Copper, lead and zinc sulfide concentrates. Determination of gold and silver. Fire assay gravimetric and flame atomic absorption spectrometric method
BS 7020-11.2:1993 Analysis of iron ores. Methods for the determination of vanadium content. Flame atomic absorption spectrometric method
BS 7020-17:1988 Analysis of iron ores. Method for the determination of lead and/or zinc contents: flame atomic absorption spectrometric method
BS 7020-16:1993 Analysis of iron ores. Methods for the determination of nickel and/or chromium contents: flame atomic absorption spectrometric method
BS 7020-10.2:1988 Analysis of iron ores - Methods for the determination of copper content - Flame atomic absorption spectrometric method
BS 7709-5:1993 Analysis of extract solutions of glass. Method for determination of iron (III) oxide by molecular absorption spectrometry and flame atomic absorption spectrometry
BS 7020-15:1993 Analysis of iron ores - Methods for the determination of calcium content: flame atomic absorption spectrometric method
BS 7020-18:1993 Analysis of iron ores - Methods for the determination of magnesium content: flame atomic absorption spectrometric method
BS 4140-16:1986 Methods of test for aluminium oxide - Determination of zinc content by flame atomic absorption
DD ENV 14226:2002 Advanced technical ceramics. Test methods for ceramic powders. Determination of calcium, magnesium, iron and aluminium in silicon nitride by using flame atomic absorption spectroscopy (FAAS) or inductively coupled plasma atomic emission spectroscopy (I...
BS 4258-8:1978 Methods of test for phosphoric acid (orthophosphoric acid) for industrial use. Determination of calcium content (flame atomic absorption method)
BS 7020-17:1989 Analysis of iron ores. Method for the determination of lead and/or zinc contents: flame atomic absorption spectrometric method

General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Flame Atomic Absorption Spectrometry

GB/T 8220.4-1998 Methods for chemical analysis of bismuth--Determination of silver content--Flame atomic absorption spectrophotometric method
GB/T 11066.2-1989 Gold--Determination of silver content--Flame atomic absorption spectometric method
GB/T 11066.3-1989 Gold--Determination of iron content--Flame atomic absorption spectrometric method
GB/T 4333.9-1988 Methods for chemical analysis of ferrosilicon--The flame atomic absorption spectrometric method for the determination of aluminium content
GB/T 7731.16-1999 Methods for chemical analysis of ferrotungsten-The flame atomic absorption spectrometric method for the determination of manganese content
GB/T 7731.15-1999 Methods for chemical analysis of ferrotungsten-The flame atomic absorption spectrometric method for the determination of copper content
GB/T 11067.2-1989 Silver--Determination of copper and gold contents--Flame atomic absorption spectrometric method
GB 11067.2-1989 Silver—Determination of copper and gold contents—Flame atomic absorption spectrometric method
GB/T 3257.13-1999 Methods for chemical analysis of bauxite--Determination of zinc content--Flame atomic absorption spectrophotometric method
GB/T 10574.10-1989 Tin-lead solders--Determination of zinc content--Flame atomic absorption spectrophotometric method
GB/T 10574.8-1989 Tin-lead solders--Determination of silver content--Flame atomic absorption spectrophotometric method
GB/T 11067.3-1989 Silver--Determination of iron, lead and bismuth contents--Flame atomic absorption spectrometric method
GB/T 20255.6-2008 Methods for chemical analysis of hardmetals.Flame atomic absorption spectrometry.General requirements
GB 11067.3-1989 Silver—Determination of iron,lead and bismuth contents—Flame atomic absorption spectrometric method
GB/T 5069.5-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials--Flame atomic absorption spectrometric method for determination of iron oxide content
GB/T 5069.10-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials--Flame atomic absorption spectrometric method for determination of calcium oxide content
GB/T 5069.12-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials--Flame atomic absorption spectrometric method for determination of manganese oxide content
GB/T 6987.17-2001 Aluminium and aluminium alloys--Determination of magnesium content--Flame atomic absorption spectrometric method
GB/T 6987.18-2001 Aluminium and aluminium alloys--Determination of chromium content--Flame atomic absorption spectrometric method
GB/T 6987.11-2001 Aluminium and aluminium alloys--Determination of lead content--Flame atomic absorption spectrometric method
GB/T 6987.26-2001 Aluminium and aluminium alloys--Determination of lithium content--Flame atomic absorption spectrometric method
GB/T 6987.21-2001 Aluminium and aluminium alloys--Determination of calcium content--Fiame atomic absorption spectrometric method
GB/T 6987.28-2001 Aluminium and aluminium alloys--Determination of strontium content--Flame atomic absorption spectrometric method
GB/T 6987.9-2001 Aluminium and aluminium alloys--Determination of zinc conten--Flame atomic absorption spectrometric method
GB/T 223.77-1994 Methods for chemical analysis iron,steel and alloy.The flame atomic absorption spertrometric method for the determination of calcium content
GB/T 13293.10-1991 Higher purity copper cathode.Determination of zinc content.Flame atomic absorption spectrometric method
GB/T 11066.4-1989 Gold--Determination of copper, lead, bismuth and antimony contents--Flame atomic absorption spectrometric method
GB/T 13747.9-1992 Zirconium and zirconium alloys--Determination of magesium content-Flame absorzption spectrometric method
GB/T 12689.8-1990 Zinc and zinc alloys--Determination of iron content--Flame atomic absorption spectrometric method
GB/T 12689.11-1990 Zinc and zinc alloys--Determination of antimony content--Flame atomic absorption spectrometric method
GB/T 223.64-1988 Methods for chemical analysis of iron, steel and alloy--The flame atomic absorption spectrometric method for the determination of manganese content
GB/T 223.65-1988 Methods for chemical analysis of iron, steel and alloy--The flame atomic absorption spectrometric method for the determination of cobalt content
GB/T 223.46-1989 Methods for chemical analysis of iron,steel and alloy--The flame atomic absorption spectrometric method for the determination of magnesium content
GB 223.65-1988 Methods for Chemical Analysis of Iron, Steel and Alloys Flame Atomic Absorption Spectrometry Determination of Cobalt Content
GB/T 6987.25-2001 Aluminium and aluminium alloys--Determination of cadmium content--Flame atomic absorption spectrometric method
GB/T 12689.7-1990 Zinc and zinc alloys--Determination of magnesium content--Flame atomic absorption spectrometric method
GB/T 12689.9-1990 Zinc and zinc alloys--Determination of copper content--Flame atomic absorption spectrometric method
GB/T 12689.10-1990 Zinc and zinc alloys--Determination of lead content--Flame atomic absorption spectrometric method
GB/T 12689.12-1990 Zinc and zinc alloys--Determination of cadmium content--Flame atomic absorption spectrometric method
GB/T 13748.10-1992 Magnesium and its alloys--Determination of zinc content--Flame atomic absorption spectrometric method
GB/T 6987.15-2001 Aluminium and aluminium alloys--Determination of nikel content--Flame atomic absorption spectrometric method
GB/T 6987.3-2001 Aluminium and aluminium alloys--Determination of copper content--Falme atomic absorption spectrometric method
GB/T 223.76-1994 Methods for chemical analysis iron,steel and alloy.The flame atomic absorption spertrometric method for the determination of vanadium content
GB/T 12575-1990 Liquid fuel oils--Determination of vanadium content--Flameless atomic absorption spectroscopic method
GB/T 4333.4-2007 Ferrosilicon-Determination of aluminium content-The chromazurol S spectrophotometric method,the EDTA titrimetric method and the flame atomic absorption spectrometric method
GB/T 3257.7-1999 Methods for chemical analysis of bauxite--Determination of calcium oxide content--Flame atomic absorption spectrophotometric method
GB/T 3257.8-1999 Methods for chemical analysis of bauxite--Determination of magnesium oxide content--Flame atomic absorption spectrophotometric method
GB/T 3257.10-1999 Methods for chemical analysis of bauxite--Determination of manganese oxide content--Flame atomic absorption spectrophotometric method
GB/T 1819.4-2004 Methods for chemical analysis of tin concentrates-Determination of lead content-Flame atomic absorption spectrometric method and EDTA titrimetric method
GB/T 12687.4-1990 Chemical analysis of nitrate of rare earth for agriculture--Determination of mercury content--Flame atomic absorption spectrophotometric method
GB/T 5069.13-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials--Flame atomic absorption spectrometric method for determination of potassium oxide and sodium oxide content
GB/T 3257.11-1999 Methods for chemical analysis of bauxite--Determination of chromium oxide content--Flame atomic absorption spectrophotometric method
GB/T 4698.17-1996 Sponge titanium, titanium and titanium alloys--Determination of magnesium content--Flame atomic absorption spectrometric method
GB/T 4698.18-1996 Sponge titanium, titanium and titanium alloys--Determination of tin content--Flame atomic absorption spectrometric method
GB/T 12687.6-1990 Chemical analysis of nitrate of rare earth for agriculture--Determination of lead and cadmium content--Flame atomic absorption spectrophotometric method
GB/T 4701.3-2009 Ferrotitanium-Determination of copper content-The DDTC photometric method and the flame atomic absorption spectrometric method
GB/T 8647.5-1988 Nickel--Determination of magnesium content--Flame atomic absorption spectrophotometric method
GB/T 3257.9-1999 Methods for chemical analysis of bauxite--Determination of potassium oxide and sodium oxide content--Flame atomic absorption spectrophotometric method
GB/T 12690.16-1990 Rare-earth metals and their oxides--Determination of calcium content--Flame atomic absorption spectrometric method
GB/T 8704.9-2009 Ferrovanadium.Determination of manganese content.The potassium periodate oxidation photometric method and flame atomic absorption spectrometric method
GB/T 4324.8-2008 Methods for chemical analysis of tungsten.Determination of nickel content.The inductively coupled plasma atomic emission spectrometry、flame atomic absorption spectrometry and dimethylglyoxime gravimetry
GB/T 12689.4-2004 The methods for chemical analysis of zinc and zinc alloys-The determination of copper content-The lead diethyldithio-carbamate spectrophotometric method and the flame atomic absorption spectrometric method and the electrolytic method
GB/T 15922-1995 Method for chemical analysis of cobalt ores--Determination of cobalt content--Flame atomic absorption spectrometric method
GB/T 15923-1995 Method for chemical analysis of nickel ores--Determination of nickel content--Flame atomic absorption spectrometric method
GB/T 8151.12-1989 Methods for chemical analysis of zinc concentrates--Zinc concentrates--Determination of silver content--Flame atomic absorption spectrophotometric method
GB/T 8152.10-1989 Methods for chemical analysis of lead concentrates--Determination of silver content--Flame atomic absorption spectrophotometric method
GB/T 21058-2007 Inorganic chemicals for industrial use- General method for mercury content- Flameless atomic absorption spectrometric method
GB/T 7731.2-2007 Ferrotungsten-Determination of manganese content-The periodate spectrophotometric method and the flame atomic absorption spectrometric method
GB/T 6150.5-2008 Methods for chemical analysis of tungsten concentrates.Determination of calcium content .EDTA volumetric method and flame atomic absorption spectrometric method
GB/T 11064.5-1989 Lithium carbonate, lithium hydroxide monohydrate and lithium chloride--Determination of calcium content--Flame atomic absorption spectrometric method
GB/T 11064.6-1989 Lithium carbonate, lithium hydroxide monohydrate and lithium chloride--Determination of magnesium content--Flame atomic absorption spectrometric method
GB/T 8704.9-1994 Methods for chemical analysis of ferrovanadium. The potassium periodate oxidation photometric method and flame atomic absorption spectrometric method for determination of manganese content
GB/T 14506.15-1993 Sillicate rocks. Determination of lithium content. Flame atomic absorption spectrophotometric method
GB/T 14506.16-1993 Sillicate rocks. Determination of rubidium content. Flame atomic absorption spectrophotometric method
GB/T 14506.17-1993 Sillicate rocks. Determination of strontium content. Flame atomic absorption spectrophotometric method
GB/T 223.53-1987 Methods for chemical analysis of iron,steel and alloy--The flame atomic absorption spectrophotometric method for the determination of copper content
GB/T 223.54-1987 Methods for chemical analysis of iron,steel and alloy--The flame atomic absorption spectrophotometric method for the determination of nickel content
GB 223.53-1987 Methods for Chemical Analysis of Iron, Steel and Alloys - Determination of Copper Content by Flame Atomic Absorption Spectrophotometry
GB 223.54-1987 Methods for Chemical Analysis of Iron, Steel and Alloys by Flame Atomic Absorption Spectrophotometry for the Determination of Nickel Content
GB/T 12689.9-2004 The methods for chemical analysis of zinc and zinc alloys-The determination of antimony content-The atomic fluorescence spectrometer and the flame atomic absorption spectrometric method
GB/T 7731.3-2008 Ferrotungsten. Determination of copper content. Bis(cyclohexanone) oxalyldihydrazone photometric method and flame atomic absorption spectrometric method
GB/T 11066.2-2008 Methods for chemical analysis of gold.Determination of silver content.Flame atomic absorption spectrometry
GB/T 11066.3-2008 Methods for chemical analysis of gold.Determination of iron content.Flame atomic absorption spectrometry
GB/T 8647.5-2006 The methods for chemical analysis of nickel. Determination of magnesium content. Flame atomic absorption spectrometric method
GB/T 11067.2-2006 Methods for chemical analysis of silver. Determination of copper contents. Flame atomic absorption spectrometric method
GB/T 11067.6-2006 Methods for chemical analysis of silver. Determination of iron contents. Flame atomic absorption spectrometric method
GB/T 20931.1-2007 Methods for chemical analysis of lithium Determination of potassium content Flame atomic absorption spectrometric method
GB/T 20931.10-2007 Methods for chemical analysis of lithium Determination of copper content Flame atomic absorption spectrometric method
GB/T 20931.11-2007 Methods for chemical analysis of lithium Determination of magnesium content Flame atomic absorption spectrometric method
GB/T 20931.2-2007 Methods for chemical analysis of lithium Determination of sodium content Flame atomic absorption spectrometric method
GB/T 20931.3-2007 Methods for chemical analysis of lithium Determinationof calcium content Flame atomic absorption spectrometric method
GB/T 11064.4-1989 Lithium carbonate,lithium hydroxide monohydrate and lithium chloride--Determination of sodium and potassium contents--Flame atomic absorption spectrometric method
GB/T 6609.19-2004 Chemical analysis methods and determination of physical performance of alumina Determination of lithia content-Flame atomic absorption spectrophotometric method
GB/T 6609.20-2004 Chemical analysis methods and determination of physical performance of alumina Determination of magnesia content-Flame atomic absorption spectrophotometric method
GB/T 6609.12-2004 Chemical analysis methods and determination of physical performance of alumina Determination of zinc oxide content-Flame atomic absorption spectrophotometric method
GB/T 6609.13-2004 Chemical analysis methods and determination of physical performance of alumina Determination of calcium oxide content-Flame atomic absorption spectrophotometric method
GB/T 6609.20-2004 Methods for chemical analysis of alumina and methods for determining physical properties
GB/T 8647.6-1988 Nickel--Determination of cadmium,cobalt,copper,manganese,lead and zinc contents--Flame atomic absorption spectrophotometric method
GB/T 14352.12-1993 Methods for chemical analysis of tungsten ores and molybdenum ores. Determination of silver content. Flame atomic absorption spectrometric method after metyl iso-butyl ketone extraction
GB/T 14352.3-1993 Methods for chemical analysis of tungsten ores molybdenum ores. Determination of copper content. Flame atomic absorption spectrometric method
GB/T 14352.4-1993 Methods for chemical analysis of tungsten ores molybdenum ores. Determination of copper content. Flame atomic absorption spectrometric method
GB/T 14352.5-1993 Mehtoss for chemical analysis of tungsten ores molybdenum ores. Determination of zinc content. Flame atomic absorption spectrometric method
GB/T 14352.6-1993 Methods for chemical analysis of tungsten ores molybdenum ores. Determination of cadmium content. Flame atomic absorption spectrometric method
GB/T 14352.11-1993 Methods for chemical analysis of tungsten ores and molybdenum ores. Determination of bismuth content. Flame atomic absorption spectrometric method
GB/T 4702.4-2008 Chromium metal. Determination of iron content. EDTA titrimetric method and flame atomic absorption spectrometric method
GB/T 4702.5-2008 Chromium metal. Determination of aluminium content. EDTA titrimetric method and flame atomic absorption spectrometric method
GB/T 6609.11-2004 Chemical analysis methods and determination of physical performance of alumina Determination of manganous oxide content-Flame atomic absorption spectrophotometric method
GB/T 6150.14-2008 Methods for chemical analysis of tungsten concentrates.Determination of manganese content.The ammonium ferrous sulfate volumetric method and flame atomic absorption spectrometric method
GB/T 1819.6-2004 Methods for chemical analysis of tin concentrates Determination of antimony content-The malachite green spectrometric method and the flame atomic absorption spectrometric method
GB/T 6150.11-2008 Methods for chemical analysis of tungsten concentrates.Determination of zinc content.Flame atomic absorption spectrometric method
GB/T 1819.7-2004 Methods for chemical analysis of tin concentrates Determination of bismuth content-Flame atomic absorption spectrometric method
GB/T 1819.8-2004 Methods for chemical analysis of tin concentrates Determination of zinc content-Flame atomicabsorption spectrometric method
GB/T 8151.16-2005 Methods for chemical analysis of zinc concentrates-Determination of cobalt content-Flame atomic absorption spectrometer method
GB/T 1819.14-2006 Methods for chemical analysis of tin concentrates. Determination of copper content. Flame atomic absorption spectrometric method
GB/T 1819.16-2006 Methods for chemical analysis of tin concentrates. Determination of silver content. Flame atomic absoption spectrometric method
GB/T 6150.9-2009 Methods for chemical analysis of tungsten concentrates.Determination of copper content.Flame atomic absorption spectrometry
GB/T 8152.12-2006 Methods for chemical analysis of lead concentrates. Determination of cadmium content. Flame atomic absorption spectrometric method
GB/T 8152.7-2006 Methods for chemical analysis of lead concentrates. Determination of copper content. Flame atomic absorption spectrometric method
GB/T 6150.10-2008 Methods for chemical analysis of tungsten concentrates.Determination of lead content.Flame atomic absorption spectrometric method
GB/T 6150.15-2008 Methods for chemical analysis of tungsten concentrates.Determination of bismuth content.Flame atomic absorption spectrometric method
GB/T 20255.5-2006 Mehods for chemical analysis of hardmetals. Determination of chromium content. Flame atomic absorption spectrometric method
GB/T 3260.3-2013 Methods for chemical analysis of tin.Part 3:Determination of bismuth content.KI photometric method and flame atomic absorption spectrometric method
GB/T 4325.8-2013 Methods for chemical analysis of molybdenum.Part 8:Determination of cobalt content.5-CI-PADAB spectrophotometry and flame atomic absorption spectrometry
GB/T 2467-2008 Pyrites and concentrate. Determination of lead content. Flame atomic absorption spectrometric and EDTA volumetric methods
GB/T 17140-1997 Soil quality--Determination of lead, cadmium--KI-MIBK Extraction flame atomic absorption spectrophotometry
GB/T 11067.1-1989 Silver--Determination of silver content--Silver chloride precopitation--Flame atomic absorption spectrometric method
GB/T 12689.7-2004 The methods for chemical analysis of zinc and zinc alloys-The determination of magnesium content-The flame atomic absorption spectrometric method
GB/T 12689.3-2004 The methods for chemical analysis of zinc and zinc alloys-The determination of cadmium content-The flame atomic absorption spectrometric method
GB 11067.1-1989 Silver—Determination of silver content—Silver chloride precopitation—Flame atomic absorption spectrometric method
GB/T 4325.9-2013 Methods for chemical analysis of molybdenum.Part 9:Determination of nickel content.Dimethylglyoxime spectrophotometry and flame atomic absorption spectrometry
GB/T 4324.9-2012 Methods for chemical analysis of tungsten.Part 9:Determination of cadmium content.Inductively-coupled plasma atomic emission spectrometry and flame atomic absorption spectrometry
GB/T 14353.11-1993 Methods for chemical analysis of copper ores lead ores and zinc ores. Determination of silver content. Flame atomic absorption spectrometric method
GB/T 8152.9-2006 Methods for chemical analysis of lead concentrates. Determination of magnesium oxide content. Flame atomic absorption spectrometric method

Professional Standard - Geology, Flame Atomic Absorption Spectrometry

DZ/T 0064.30-1993 Groundwater quality testing methods for the determination of lithium by flame atomic absorption spectrometry
DZ/T 0064.25-1993 Examination methods for groundwater quality Determination of iron by flame atomic absorption spectrometry
DZ/T 0064.32-1993 Groundwater Quality Examination Method Determination of Manganese by Flame Atomic Absorption Spectrometry
DZ/T 0064.12-1993 Examination methods for groundwater quality Determination of calcium and magnesium by flame atomic absorption spectrometry

YU-JUS, Flame Atomic Absorption Spectrometry

JUS C.A1.237-1990 Methods for chemical analysis of cadmium. Determination of silver content. Flame atomic absorption spectrometric method
JUS C.A1.235-1990 Metbods for cbemical aualysis of cadmium. Determination of copper content. Flame atomic absorption svectrometric metbo?
JUS C.A1.236-1990 Hethods for chemical saalysis of cadmium. Determination of lead content. Fla?e atomic absorption spectrometric method
JUS C.A1.238-1990 Metha?s for chemical analysis of cadmium. Determination of zine content. Flame atomic absorption spectroinetric method
JUS C.A1.210-1989 Hethods for chemical analysis of antimony and antimony alloys. Determination of iron content. Flatoe atomic absorption spectrometric nethod
JUS C.A1.211-1991 Methods for chemlcal analysis of antimony and antJmony alloys. Determinaticm of lead content. Plane atomlc absorptioo spectrome.tr ic method
JUS C.A1.208-1988 Methods for chemlcal analysis of antimony and antimony alloys. Determination of nickel content. Flame atomic absorption spectrometric method
JUS C.A1.209-1989 Methods for chemical analysis of antinony and antimony alloys.Determination nf -r.inc fzfmttmt:. Plamti /ttnmin absnrDtion svectrometric metbod
JUS C.A1.368-1991 Zinc and zine alloys. Determlnation of Indium and tballium content. Flame atomlc absorption spectrometrlc method
JUS C.A1.207-1987 Methods for chemical analysis ofantimony and antimony alloys. Determination of copper content of antimonv andantimonv allovs. Flame atomic absorption spectrometric method

Professional Standard - Commodity Inspection, Flame Atomic Absorption Spectrometry

SN/T 0736.4-1997 Method of inspection for import and export fertilizers.Determination of sodium.Atomic absorption spectrophotometric method
SN/T 3469.4-2013 Determination of gold and silver content in import copper matte or sintered copper material.Flame atomic absorption spectrometry
SN/T 1404-2004 Determination of manganese content in fluorspar for export--Flame atomic absorption spectrometric method
SN/T 0838.1-2015 Determination of chromium in boric acid and borax for import and export.Flame atomic absorption spectrometry
SN/T 0838.2-2015 Determination of cobalt in boric acid and borax for import and export.Flame atomic absorption spectrometry
SN/T 0838.3-2015 Determination of nickel in boric acid and borax for import and export.Flame atomic absorption spectrometry
SN/T 0838.4-2015 Determination of manganese in boric acid and borax for import and export.Flame atomic absorption spectrometry
SN/T 0838.5-2015 Determination of copper in boric acid and borax for import and export.Flame atomic absorption spectrometry

Hebei Provincial Standard of the People's Republic of China, Flame Atomic Absorption Spectrometry

DB13/T 1232-2010 Determination method of iron content in chemical products by flame atomic absorption spectrometry

Professional Standard - Ferrous Metallurgy, Flame Atomic Absorption Spectrometry

YB/T 547.3-1995 Methods for chemical analysis of vanadium slag the flame atomic absorption spectrometric method and the permangaanimetric method for the determination of calcium oxide content
YB/T 190.9-2001 Methods for chemical analysis of continuous casting mold powder The flame atomic absorption spectrometric method for the determination of lithium oxide content
YB/T 190.5-2001 Methods for chemical analysis of continuous casting mold powder The flame atomic absorption spectrometric method for the determination of potassium oxide and sodium oxide content
YB/T 159.7-1999 Methods for chemical analysis of titanium concentrate (rock minerals).The flame atomic absorption spectrophotometric method for the determination of calcium oxide and magnesium oxide content
YB/T 1597-1999 Chemical analysis method of titanium concentrate (rock mineral) Determination of calcium oxide and magnesium oxide content by flame atomic absorption spectrometry
YB/T 547.3-2014 Vanadium slag.Determination of calcium oxide content.Flame atomic absorption spectrometric method and EDTA titrimetric method
YB/T 190.8-2014 Continuous casting powder.The determination of iron content.The o-phenanthroline spectrophotometric method and the flame atomic absorption method
YB/T 190.11-2014 Continuous casting powder.The determination of manganese oxide content.The sodium (potassium) periodate spectrophotometric method and the flame atomic absorption method
YB/T 190.8-2001 Methods for chemical analysis of continuous casting mold powder The o-phenanthroline spctrophotometric and flame atomic absorption spectrometric method for the determination of iron content

Professional Standard - Rare Earth, Flame Atomic Absorption Spectrometry

XB/T 601.5-1993 Methods of chemical analysis of lanthanum hexaboride - Determination of manganese content by flame atomic absorption spectrometry
XB/T 601.2-1993 Methods of chemical analysis of lanthanum hexaboride - Determination of calcium content by flame atomic absorption spectrometry
XB/T 601.3-1993 Methods of chemical analysis of lanthanum hexaboride - Determination of magnesium content by flame atomic absorption spectrometry
XB/T 601.4-1993 Methods of chemical analysis of lanthanum hexaboride - Determination of copper content by flame atomic absorption spectrometry

Professional Standard - Aviation, Flame Atomic Absorption Spectrometry

HB 5220.14-1995 Methods of Chemical Analysis of Superalloys - Determination of Manganese Content by Flame Atomic Absorption Spectrometry
HB 5220.28-1995 Methods of Chemical Analysis of Superalloys - Determination of Copper Content by Flame Atomic Absorption Spectrometry

Professional Standard - Machinery, Flame Atomic Absorption Spectrometry

JB/T 6237.5-1992 Chemical analysis method of silver powder for electrical contacts Determination of nickel content by flame atomic absorption spectrometry
JB/T 6237.6-1992 Silver powder chemical analysis method for electrical contacts - Determination of sodium content by flame atomic absorption spectrometry
JB/T 6237.8-1992 Determination of magnesium content by flame atomic absorption spectrometry for chemical analysis of silver powder for electrical contacts
JB/T 7774.4-1995 Silver zinc oxide electrical contact material chemical analysis method flame atomic absorption spectrometry determination of nickel content
JB/T 7776.3-1995 Methods for chemical analysis of silver cadmium oxide electrical contact materials - Determination of zinc content by flame atomic absorption spectrometry
JB/T 7774.5-1995 Methods of chemical analysis of silver zinc oxide electrical contact materials - Determination of magnesium content by flame atomic absorption spectrometry
JB/T 7774.6-1995 Methods of chemical analysis of silver zinc oxide electrical contact materials - Determination of cadmium content by flame atomic absorption spectrometry
JB/T 7776.2-1995 Methods for chemical analysis of silver cadmium oxide electrical contact materials - Determination of cadmium content by flame atomic absorption spectrometry
JB/T 7776.4-1995 Methods of chemical analysis of silver cadmium oxide electrical contact materials - Determination of nickel content by flame atomic absorption spectrometry
JB/T 7776.7-1995 Methods for chemical analysis of silver cadmium oxide electrical contact materials - Determination of magnesium content by flame atomic absorption spectrometry
JB/T 7777.5-1995 Silver tin oxide indium oxide electrical contact material chemical analysis method flame atomic absorption spectrometry Determination of nickel, zinc and indium content

CZ-CSN, Flame Atomic Absorption Spectrometry

CSN 42 0635 Cast.15-1987 Chemical analysis of non-ferrous metals and alloys. Lead. Determination of sodium by the atomic absorption method and flame-photometric method
CSN ISO 778:1994 Pulps. Determination of copper content. Extraction photometric and flame atomic absorption spectrometric methods
CSN ISO 777:1993 Pulps. Determination of calcium content - edta tirimetric and flame atomic absorption spectrometric methods

海关总署, Flame Atomic Absorption Spectrometry

SN/T 5248-2020 Determination method of gold content in imported gold-loaded resin materials: flame atomic absorption spectrometry

工业和信息化部, Flame Atomic Absorption Spectrometry

YS/T 445.11-2019 Methods for chemical analysis of silver concentrates Part 11: Determination of bismuth content Hydride generation-atomic fluorescence spectrometry, flame atomic absorption spectrometry and Na2EDTA titration

NL-NEN, Flame Atomic Absorption Spectrometry

NEN 6452-1980 Water - Determination of cadmium content by atomic absorption spectrometry (flame technique)
NEN 6462-1982 Water - Determination of silver content by atomic absorption spectrometry (flame technique)
NEN 6456-1981 Water - Determination of nickel content by atomic absorption spectrometry (flame technique)
NEN 6461-1981 Water - Determination of manganese content by atomic absorption spectrometry (flame technique)
NEN 6446-1980 Water - Determination of calcium content by atomic absorption spectrometry (flame technique)
NEN 6460-1981 Water - Determination of iron content by atomic absorption spectrometry (flame technique)
NEN 6448-1981 Water - Determination of chromium content by atomic absorption spectrometry (flame technique)
NEN 6451-1980 Water - Determination of copper content by atomic absorption spectrometry (flame technique)
NEN 6455-1981 Water - Determination of magnesium content by atomic absorption spectrometry (flame technique)
NEN 6439-1986 Water - Determination of aluminium content by atomic absorption spectrometry (flame technique)
NEN 6453-1980 Water - Determination of cadmium content by atomic absorption spectrometry (flame technique)
NEN 6437-1982 Water - Determination of aluminium content by atomic absorption spectrometry (flame technique)
NEN 2868-1989 Fruit juices - Determination of magnesium content of grape juice Atomic absorption spectrometric method (flame technique)
NEN 2583-1991 Fertilizers - Determination of cadmium content (of at least 10 mg/kg) by atomic absorption spectrometry (flame technique)

国家市场监督管理总局、中国国家标准化管理委员会, Flame Atomic Absorption Spectrometry

GB/T 5195.11-2021 Fluorspar—Determination of manganese content—Periodate spectrophotometry and flame atomic absorption spectrometry

European Committee for Standardization (CEN), Flame Atomic Absorption Spectrometry

EN 15622:2010 Copper and copper alloys - Determination of lead content - Flame atomic absorption spectrometric method (FAAS)

RO-ASRO, Flame Atomic Absorption Spectrometry

SR ISO 315:1995 Manganese ores and concentrates. Determination of nickel content-Dimethylglyoxime spectrometric method and flame atomic absorption spectrometric method

Japanese Industrial Standards Committee (JISC), Flame Atomic Absorption Spectrometry

JIS M 8219-1:2012 Iron ores -- Determination of titanium -- Part 1: Flame atomic absorption spectrometric method

RU-GOST R, Flame Atomic Absorption Spectrometry

GOST R 51212-1998 Drinking water. Methods for determination of total mercury by flameless atomic absorption spectrometry
GOST R ISO 15353-2014 Steel and iron. Determination of tin content. Flame atomic absorption spectrometric method (extraction as Sn-SCN)