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
Determination of toxic substances in workplace air-Part 99: Formaldehyde, acetaldehyde and butyraldehyde
GB/T 37640-2019
i-Butylaldehyde for industrial use
GB/T 37640-2019
n-Butylaldehyde for industrial use
GB/T 37640-2019
Acetaldehyde for industrial use
GB/T 37640-2019
Polyvinyl butyral interlayer for laminated glass
GB/T 37640-2019
Test for Acetaldehyde
GB/T 37640-2019
GB/T 37640-2019
Butyraldehyde vapor phase hydrogenation system butanol catalysts
GB/T 37640-2019
GB/T 37640-2019
Determination of chloral content for superphosphorate
GB/T 37640-2019
Safety technical code for chloral production
GB/T 37640-2019
Polyvinyl butyral(PVB) interlayer for laminated glass
GB/T 37640-2019
GB/T 37640-2019
Polyvinyl butyral (PVB) interlayer for building mounted photovoltaic module
GB/T 37640-2019
Inspection rules for import and exprot dangerous chemical products - Acetaldehyde
GB/T 37640-2019
GB/T 37640-2019
Test method for air-purification performances of photocatalytic materials—Degradation of acetaldehyde (or formaldehyde)
GB/T 37640-2019
GB/T 37640-2019
Test method of catalytic performance for butyraldehyde vapor phase hydrogenation of butanol catalyst