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
GB/T 37640-2019
Test for Acetaldehyde
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
Inspection rules for import and exprot dangerous chemical products - Acetaldehyde
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
GB/T 37640-2019
Acetaldehyde
GB/T 37640-2019
Occupational exposure limit for acetaldehyde in the air of workplace
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
Determination of toxic substances in workplace air-Part 101:Trichloroacetaldehyde
GB/T 37640-2019
Determination of toxic substances in workplace air-Part 99: Formaldehyde, acetaldehyde and butyraldehyde
GB/T 37640-2019
Test for Acetaldehyde
GB/T 37640-2019
Standard method for hygienic examination of acetaldehyde and acrolin in drinking water sources—Gas chromatography
GB/T 37640-2019
Determination of metaldehyde residue in foodstuffs for export - GC-MS method
GB/T 37640-2019
National food safety standard-Determination of metaldehyde residues in aquatic products by liquid chromatography-tandem mass spectrometry method