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Nitrogen impurities
Nitrogen impurities, Total:63 items.
In the international standard classification, Nitrogen impurities involves: Protection against crime, Analytical chemistry, Materials for aerospace construction, Water quality, Products of the chemical industry, Cutting tools, Testing of metals, Non-metalliferous minerals, Air quality, Semiconductor devices, Fuel cells, Fuels, Animal feeding stuffs, Organic chemicals, Refractories, Test conditions and procedures in general.
Professional Standard - Public Safety Standards, Nitrogen impurities
- GA/T 1322-2016 GC-MS examination methods for ten benzodiazepines including diazepam in blood in forensic science
- GA/T 1638-2019 Gas chromatography-mass spectrometry for detection of diazepam and other four benzodiazepines and their metabolites in urine in forensic science
RU-GOST R, Nitrogen impurities
中华人民共和国国家质量监督检验检疫总局、中国国家标准化管理委员会, Nitrogen impurities
German Institute for Standardization, Nitrogen impurities
- 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 50450-4:1993 Testing of materials for semiconductor technology; determination of impurities in carrier gases and dopant gases; determination of C<(Index)1>-C<(Index)3>-hydrocarbons in nitrogen by gas-chromatography
- DIN 50450-4:1993-09 Testing of materials for semiconductor technology; determination of impurities in carrier gases and dopant gases; determination of C<(Index)1>-C<(Index)3>-hydrocarbons in nitrogen by gas-chromatography
- DIN 50450-1:1987 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 50450-2:1991 Testing of materials for semiconductor technology; determination of impurities in carrier gases and doping gases; determination of oxygen impurity in N<(Index)2>, Ar, He, Ne and H<(Index)2> by using a galvanic cell
- DIN 50450-9:2003 Testing of materials for semiconductor technology - Determination of impurities in carrier gases and dopant gases - Part 9: Determination of oxygen, nitrogen, carbonmonoxide, carbondioxide, hydrogen and C<(Index)1>-C<(Index)3>-hydrocarbons in gaseous hydr
- DIN 50450-3:1991 Testing of materials for semiconductor technology; determination of impurities in carrier gases and doping gases; determination of methane impurity in H<(Index)2>, O<(Index)2>, N<(Index)2>, Ar and He by using a flame ionization detector (FID)
- DIN 50450-2:1991-03 Testing of materials for semiconductor technology; determination of impurities in carrier gases and doping gases; determination of oxygen impurity in N<(Index)2>, Ar, He, Ne and H<(Index)2> by using a galvanic cell
HU-MSZT, Nitrogen impurities
Korean Agency for Technology and Standards (KATS), Nitrogen impurities
KR-KS, Nitrogen impurities
- KS I ISO 6332-2021 Water quality ― Determination of iron —Spectrometric method using 1,10-phenanthroline
工业和信息化部/国家能源局, Nitrogen impurities
- JB/T 13306-2017 Method for detecting impurity content in superabrasive cubic boron nitride
ESDU - Engineering Sciences Data Unit, Nitrogen impurities
- ESDU 77019 A-1980 Vapour pressures and critical points of liquids. XI: heterocyclic nitrogen compounds.
Taiwan Provincial Standard of the People's Republic of China, Nitrogen impurities
- CNS 3237-1971 Method of Test for Impurities in Compressed Hydrogen
国家市场监督管理总局、中国国家标准化管理委员会, Nitrogen impurities
- GB/T 41153-2021 Determination of boron, aluminum and nitrogen impurity content in silicon carbide single crystal—Secondary ion mass spectrometry
Professional Standard - Commodity Inspection, Nitrogen impurities
- SN/T 4302-2015 Rapid detection method of tris-(aziridyl)phosphine oxide in textiles by gas chromatography-mass spectrometry
CZ-CSN, Nitrogen impurities
- CSN ISO 6332:1995 Water quality - Determination of iron - Spectrometric method using 1,10-phenantroline
- CSN 38 5540-1968 Determination of mechanical impuritits in fuel gases
- CSN 65 6478-1969 Chemical impurities determination in liquefied hydrocarbon gases
Professional Standard - Geology, Nitrogen impurities
- DZ/T 0064.23-1993 Groundwater quality testing method Determination of iron by phenanthrene spectrophotometry
- DZ/T 0064.23-2021 Analytical methods for groundwater quality - Part 23: Determination of iron content by phenanthroline spectrophotometric method
General Administration of Quality Supervision, Inspection and Quarantine of the People‘s Republic of China, Nitrogen impurities
- GB/T 13906-1992 Air quality.Determination of nitrogen oxides
- GB/T 31886.1-2015 Test method about the influence of gaseous contaminants in reaction gas on the performance of proton exchange membrane fuel cells.Part 1:Gaseous contaminants in air
- GB/T 31886.2-2015 Test method about the influence of gaseous contaminants in reaction gas on the performance of proton exchange membrane fuel cells.Part 2:Gaseous contaminants in hydrogen
- GB/T 3144-1982 Toluene--Determination of hydrocarbon impurities--Gas chromatographic method
- GB/T 12208-2008 Test methods of components and impurities of the manufactured gas
- GB 3144-1982 Gas Chromatographic Determination of Hydrocarbon Impurities in Toluene
- GB/T 5069.4-2001 Chemical analysis of magnesia and magnesia-alumina refractory materials--Ortho-phenanthroline photometric method for determination of iron oxide content
- GB/T 6901.4-1986 Silica refractories--Determination of iron oxide content-0-phenanthroline photometric method
Group Standards of the People's Republic of China, Nitrogen impurities
- T/CASAS 010-2019 Determination of Trace Impurities Concentration and Distribution in GaN Materials by Secondary Ion Mass Spectrometry
- T/CHES 15-2017 Determination of Total Nitrogen in Water Quality Gas Phase Molecular Absorption Spectrometry
- T/CHES 12-2017 Water Quality Determination of Ammonia Nitrogen Gas Phase Molecular Absorption Spectrometry
International Organization for Standardization (ISO), Nitrogen impurities
- ISO 8573-1:2001 Compressed air - Part 1: Contaminants and purity classes
- ISO 5279:1980 Toluene; Determination of hydrocarbon impurities; Gas chromatographic method
- ISO 8573-1:1991 Compressed air for general use; part 1: contaminants and quality classes
- ISO 5916:1982 Methyl chloride for industrial use; Determination of impurities; Gas chromatographic methods
Association Francaise de Normalisation, Nitrogen impurities
NL-NEN, Nitrogen impurities
- NEN 2038-1979 Air quality - Calibration gas mixture of nitrogen monoxide in nitrogen - Gravimetric preparation
- NEN 2045-1981 Air quality - The calibration of measuring methods for nitrogen monoxide, nitrogen dioxide and ozone by means of gas-phase titration
PT-IPQ, Nitrogen impurities
- NP 2202-1999 Water quality Determination of iron. Spectrometric method using 1,10-phenanthroline
AT-ON, Nitrogen impurities
NO-SN, Nitrogen impurities
- NS 4855-1981 Air quality - Determination of nitrogendioxide in ambient air
Hebei Provincial Standard of the People's Republic of China, Nitrogen impurities
- DB13/T 5470-2021 Chromatography for the Detection of Oxygen and Impurities in 30% Oxygen/Helium Mixture Gas
American Society for Testing and Materials (ASTM), Nitrogen impurities
Professional Standard - Agriculture, Nitrogen impurities
- NY/T 1757-2009 Determination of benzodiazepines in feeds High performance liquid chromatography tandem mass spectrometry
Professional Standard - Ferrous Metallurgy, Nitrogen impurities
冶金工业部, Nitrogen impurities
- YB 4013-1991 Chemical analysis method of high-quality magnesia, determination of iron oxide content by photometric method of phenanthroline
Professional Standard - Environmental Protection, Nitrogen impurities
- HJ/T 199-2005 Water quality Determination of tota-nitrogen Gas-phase molecular absorption spectrometry
- HJ/T 195-2005 Water quality - Determination of ammonia-nitrogen Gas-phase molecular absorption spectrometry
中华人民共和国国家卫生和计划生育委员会, Nitrogen impurities
- GBZ/T 300.43-2017 Determination of Toxic Substances in Workplace Air - Part 43: Azide and Sodium Azide
BE-NBN, Nitrogen impurities
- NBN T 04-446-1983 Methyl chloride for industrial use - Determination of impurities- Gas chromato-graphic methods
Professional Standard - Machinery, Nitrogen impurities
- JB/T 3912-2013 Quality inspection of steam treatment and oxynitride for high-speed steel cutting tools
- JB/T 53055-1999 Product quality classification of reciprocating piston nitrogen and hydrogen compressors