SH/T 1845-2024
GB/T 40394-2021
Determination of trace trimethylamine in methanol for industrial use—Gas chromatography-mass spectrometry
HG/T 4208-2011
HG/T 4211-2011
DB37/T 2424-2013
HG/T 4210-2011
HG/T 4209-2011
HG/T 4213-2011
HG/T 4212-2011
HG/T 4075-2008
Phosphorus trichloride for industrial use-Determination of phosphoric acid content-spectrometric method
KS M ISO 17070-2017
Leather — Chemical tests — Determination of tetrachlorophenol-, trichlorophenol-, dichlorophenol-, monochlorophenol-isomers and pentachlorophenol content
ISO 17070:2015
Leather — Chemical tests — Determination of tetrachlorophenol-, trichlorophenol-, dichlorophenol-, monochlorophenol-isomers and pentachlorophenol content
KS M ISO 17070-2017(2022)
Leather — Chemical tests — Determination of tetrachlorophenol-, trichlorophenol-, dichlorophenol-, monochlorophenol-isomers and pentachlorophenol content
EN ISO 17070:2015
HG/T 5617-2019
HG/T 4627-2014
m-Dichlorobenzene for industrial use
QB/T 1036-1991
GB/T 23964-2023
Triethylamine for industrial use
GB/T 9984.11-2004
Sodium tripolyphosphate for industrial use-Determination of I type content
HG/T 4645-2023