GB/T 30303-2013
Test method of methylamines and methylamines water solution for industrial use
HG/T 2974-1999
Solutions of 30% trimethylamine for industrial use
GB/T 40394-2021
Determination of trace trimethylamine in methanol for industrial use—Gas chromatography-mass spectrometry
HJ 1042-2019
Ambient air and waste gas-Determination of trimethylamine-Solvent absorption-Headspace/gas chromatography
SY/T 7001-2014
Determination of heat stable salts anion compositionin alkanolamine desulfurization solution -Ion 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 35212.4-2023
Analysis and evaluation methods of gas and solution and desulfurization decarbonization and sulfur recovery for natural gas treating plant—Part 4: Determination of sodium、magnesium、calcium in alkanol amine desulfurization by ion chromatography
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
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
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
HB 20055.4-2011
Methods for analysis of chemical milling solutions for aluminum alloy-Part 4:Determination of triethanolamine content byammonium vanadate spectrophotometric method
NY 775-2004
BS ISO 4096:1978
Essential oils (containing tertiary alcohols). Evaluation of free alcohols content by determination of ester value after cold formylation