GB/T 30303-2013
Test method of methylamines and methylamines water solution for industrial use
GB/T 40394-2021
Determination of trace trimethylamine in methanol for industrial use—Gas chromatography-mass spectrometry
HG/T 2974-1999
Solutions of 30% trimethylamine for industrial use
NB/SH/T 0903-2015
Standard test method for determination of methanol content in fatty acid methyl esters by gas chromatography
HJ 1042-2019
Ambient air and waste gas-Determination of trimethylamine-Solvent absorption-Headspace/gas chromatography
HG/T 2972-1999
Solutions of 40% monomethylamine for industrial use
HG/T 2971-1999
Solutions of methylamines for industrial use-Standard test method
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
HG/T 2973-1999
Solutions of 40% dimethylamine for industrial use
ASTM D2380-04(2019)
Standard Test Method for Methanol Content of Formaldehyde Solutions
HB/Z 5089.1-2004
Methods for analysis of plating black nickel solutions-Part 1:Determination of ammonium nickel sulfate content by ion selective electrode method
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
T/CCPIA 051-2020
T/CPCIF 0025-2019
T/SDHCIA 047-2024
BS EN 14110:2019
Fat and oil derivatives. Fatty Acid Methyl Esters. Determination of methanol content
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
EN 14110:2019
HB 20055.4-2011
Methods for analysis of chemical milling solutions for aluminum alloy-Part 4:Determination of triethanolamine content byammonium vanadate spectrophotometric method