GB/T 23835.4-2009
Lithium perchlorate anhydrous - Part 4: Determination of water insoluble matter content
GB/T 40394-2021
Determination of trace trimethylamine in methanol for industrial use—Gas chromatography-mass spectrometry
GB/T 6730.34-2017e
Iron ores—Determination of tin content—Pyrocatechol violet cetyl trimet hylamine bromide spectrophotometric method
GB/T 6730.34-2017
Iron ores—Determination of tin content—Pyrocatechol violet cetyl trimet hylamine bromide spectrophotometric method
T/ZNX 028-2023
CGA G-2.2
Guideline Method for Determining the Minimum of 0.2% Water in Anhydrous Ammonia
GB/T 6609.10-2004
Chemical analysis methods and determination of physical performance of alumina--Determination of vanadic oxide content--N-benzoyl-N-phenylhydroxylamine extraction photometric method
KS M ISO 3699-2003(2023)
KS M ISO 7105-2017(2022)
Liquefied anhydrous ammonia for industrial use — Determination of water content — Karl Fischer method
GB/T 13747.18-2022
Methods for chemical analysis of zirconium and zirconium alloys—Part 18:Determination of vanadium content—N-benzoyl-N-phenyl hydroxylamine spectrophotometry and inductively coupled plasma atomic emission spectrometry
BS EN 1791:1997
Surface active agents. Fatty alkyl dimethyl amine oxides. Determination of the amine oxide content
UNE-EN 1791:1997
SURFACE ACTIVE AGENTS. FATTY ALKYL DIMETHYL AMINE OXIDES. DETERMINATION OF THE AMINE OXIDE CONTENT.
ISO 7105:1985
Liquefied anhydrous ammonia for industrial use — Determination of water content — Karl Fischer method
DIN EN 1791
Surface active agents - Fatty alkyl dimethyl amine oxides - Determination of the amine oxide content; German version EN 1791:1997
ISO 3699:1976
Anhydrous hydrogen fluoride for industrial use — Determination of water content — Karl Fischer method
CGA G-2.2(R1997)
Guideline Method for Determining the Minimum of 0.2% Water in Anhydrous Ammonia
\u0413\u041e\u0421\u0422 34790-2021
Prepared (corrected) water for the manufacturing of alcoholic beverages. Determination of the content of hydrogen sulfide and sulfides by photometric method with N,N-dimethyl-p-phenylenediamine
ISO 7104:1985
Liquefied anhydrous ammonia for industrial use — Determination of water content — Gas chromatographic method
ISO 3700:1980
Anhydrous hydrogen fluoride for industrial use — Determination of water content — Conductimetric method
ISO 1618:1976
Aluminium oxide primarily used for the production of aluminium — Determination of vanadium content — N-Benzoyl-N-phenylhydroxylamine photometric method