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
1-Hydroxyethylidene-1,1-diphosphonate acid
GB/T 37640-2019
铁矿石 钴含量的测定 亚硝基-R盐分光光度法
GB/T 37640-2019
Hexamethylene diisocyanate
GB/T 37640-2019
Polymethylene polyphenylene isocyanate
GB/T 37640-2019
Poly-(tetra methylene ether glycol)(PTMEG) for industrial use
GB/T 37640-2019
GB/T 37640-2019
1,3,3-Trimethy-2-methyleneindoline
GB/T 37640-2019
GB/T 37640-2019
Water treatment chemicals - Bis-hexamethylene ariamine penta-methylene phosphonic acid
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
GB/T 37640-2019
Water treatment chemicals-Hydroxyethylidenediphosphonic acid
GB/T 37640-2019
Water treatment chemicals-1-Hydroxyethylidene-1,1-diphosphonate acid(solid)
GB/T 37640-2019
GB/T 37640-2019
Water treatment chemicals-solidum(ethylenedinitrilo)-tetramethylenephosphate
GB/T 37640-2019
Water treatment chemicals - Polyamino Polyether Methylene Phosphonate (PAPEMP)
GB/T 37640-2019
Water treatment chemicals-Disodium 1-hydroxyethylidene-1,1-diphosphonate
GB/T 37640-2019
Water treatment chemical-Sodium salt of diethylene triamine penta(methylene phosphonic acid)
GB/T 37640-2019