HG/T 5842-2021
ο-Acetoacetotoluidide
HG/T 5502-2018
N -Methyl-4- (p -formylstyryl) pyridiniuID methyl sulfate
HG/T 5654-2019
HG/T 5652\uff5e5654-2019
HG/T 5848-2021
2,4-Dimethylacetoacetanilide
GB/T 31403-2015
Plastics—Acrylonitrile-butadiene-styrene/poly (methyl methacrylate) alloy
HG/T 5501\uff5e5504-2018
HG/T 5485-2018
2-Methoxy-5-methylaniline-4-sulfonylethyl hydrogen sulfate ester
GB/T 37640-2019
Determination of chloroacetaldehyde,2,4-dihydroxy-3-methylbenzaldehyde,crotonaldehyde,acetophenone,2-pentylidenecyclohexanone and glutaral in cosmetics—High performance liquid chromatography
QB/T 5058-2017
Fragrance- 2,2-dimethyl-3-(4-ethylphenyl) propionaldehyde
HG/T 5803\uff5e5806-2021
GBZ/T 300.68-2017
Determination of toxic substances in workplace air-Part 68: Styrene,methylstyrene and divinyl benzene
HG/T 5713\uff5e5716-2020
GB 1886.368-2023
HG/T 6315-2024
HG/T 5845\uff5e5848-2021
HG/T 5153~5156-2017
HG/T 5842\uff5e5844-2021
HG/T 5471-2018
Resin methyl methacrylate-butadiene-styrene (MBS)
HG/T 2335-2003
Photographic chemicals 2[(4-Amino-3-methylphenyl)ethylamino]-ethanol sulfate(CD-4)