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
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
2-Amino-2-hydroxymethyl-1,3-propanediol
GB/T 37640-2019
Chemical reagent Arsenazo Ⅲ
GB/T 37640-2019
Rubber antioxidant-2,4,6-Tris(N-1,4-dimethylpentyl-p-phenylenediamino)-1,3,5-triazine
GB/T 37640-2019
Food contact materials - Paper recovered fiber materials - Determination of 1,2-benzylisothiazolin-3-one 2-methyl-4-isothiazolin-3-one 5-chloro-2-methyl-4-isothiazolin-3-one - High performance liquid chromatography method
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
Photographic chemicals-4-(N-ethyl-N-2-methanesulfonylaminoethyl)-2-methylphenylenediamine sesquisulfate monohydrate
GB/T 37640-2019
Cosmetic raw materials. Sunscreens. (1,3,5)-triazine-2,4-bis{(4-(2-ethyl-hexyloxy)-2-hydroxy)-phenyl}-6-(4-methoxyphenyl) and 2,2-methylene-bis-6-(2H-benzotriazol-2-yl)-4-(tetramethyl-butyl)-1,1,3,3-phenol. Determination by liquid chromatography.
GB/T 37640-2019
Cosmetic raw materials. Sunscreens. 2,2-methylene-bis-6-(2H-benzotriazol-2-yl)-4-(tetramethyl-butyl)-1,1,3,3-phenol.