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
H-acid monosodium salt(1-Naphthylamine-8-hydroxy-3,6-disulfonic acid monosodium salt)
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 2,3,5,4'-tetrahydroxystilbene-O-β-D-glucoside in cosmetics―High performance liquid chromatography
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
1-Amino-8-hydroxy-3,6-naphthalenedisulfonic acid monosodium salt(H-acid monosodium salt)
GB/T 37640-2019
Chemical reagent Arsenazo Ⅲ
GB/T 37640-2019
GB/T 37640-2019
H-acid monosodium salt(1-Amino-8-hydroxy-3,6-naphthalenedisulfonic acid monosodium salt)
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019