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
Chemical reagent Arsenazo Ⅲ
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
SODIUM CHLORIDE. DETERMINATION OF FLUORIDE CONTENT. PHOTOMETRIC METHOD WITH SODIUM 2-(SULFOPHENYLAZO)-1,8 DIHYDROXYNAPHTHALENE-3,6 DISULFONATE (SPADNS).
GB/T 37640-2019
GB/T 37640-2019
Fragrance- 2,2-dimethyl-3-(4-ethylphenyl) propionaldehyde
GB/T 37640-2019
Coking benzene
GB/T 37640-2019
Determination of Benzene, toluene and xylene in crude benzene
GB/T 37640-2019
Petroleum benzene
GB/T 37640-2019
Determination of p-phenylenediamine,o-phenylenediamine and m-phenylenediamine in cosmetics
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
Nitrobenzene
GB/T 37640-2019
GB/T 37640-2019
Crude benzol
GB/T 37640-2019
Heavy benzol
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019