GB/T 37640-2019
Determination of chloroacetaldehyde,2,4-dihydroxy-3-methylbenzaldehyde,crotonaldehyde,acetophenone,2-pentylidenecyclohexanone and glutaral in cosmetics—High performance liquid chromatography
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
Determination of butyl hydroxy anisole,dibutyl hydroxy toluene,tertiary butyl hydroquinone,ethoxyquin and propyl gallate in feeds
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
Paper,board and pulps—Determination of 2,2-bis(4-hydroxyphenyl) propane (bisphenol A )—Liquid chromatography
GB/T 37640-2019
GB/T 37640-2019
Chemical reagent Butanedione dioxime
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
Determination of butyl hydroxy anisole, dibutyl hydroxy toluene and ethoxyquin in feeds
GB/T 37640-2019
GB/T 37640-2019
Determination of 2,2-bis (4-hydroxyphenyl) propane (bisphenol A) residues in medical polycarbonate materials
GB/T 37640-2019
Methods for chemical analysis of zirconium and zirconium alloys—Part 1:Determination of tin content—Potassium iodate titration and phenylfluorone-polyethylene glycoloctyl phenyl ether spectrophotometry
GB/T 37640-2019