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
Acetaldehyde for industrial use — Determination of density at 15℃
GB/T 37640-2019
Acetaldehyde for industrial use — Determination of density at 15℃
GB/T 37640-2019
Acetaldehyde for industrial use — Determination of density at 15 degrees C