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
Test method of purified terephthalic acid (PTA) for industrial use―Part 1:Determination of concentrations of 4-carboxybenzaldehyde (4-CBA) and p-toluic acid (p-TOL)
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
Purified terephthalic acid(PTA) for industrial use--Determination of 4-carboxybenzaldehyde and p-toluic acid--High performance capillary electrophoresis (HPCE)
GB/T 37640-2019
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
GB/T 37640-2019
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
GB/T 37640-2019
Polyglycols for industrial use — Determination of hydroxyl number — Phthalic anhydride esterification method
GB/T 37640-2019
GB/T 37640-2019
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
GB/T 37640-2019
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
GB/T 37640-2019
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
GB/T 37640-2019
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
GB/T 37640-2019
Formaldehyde solution for industrial use
GB/T 37640-2019
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
GB/T 37640-2019
p-Sodium sulphonate benzaldehyde
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
Industrial lineal alkylbenzene