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
GB/T 37640-2019
Ultraviolet absorber-2-Hydroxy-4-n-octoxybenzophenone(UV-531)
GB/T 37640-2019
Food contact materials - Polymer materials - Determination of 2,4-dihydroxybenzophenone in food simulants - High performance liquid chromatography
GB/T 37640-2019
Chemical reagent Arsenazo Ⅲ
GB/T 37640-2019
Iron ores—Determination of cobalt content—4-[(5-chloro-2-pyridyl)azo]-1,3-diamino-benzene spectrophotometric method
GB/T 37640-2019
Food contact materials - Polymer - Determination of 2-hydroxy-4-methoxy-benzophenon in food simulants - High performance liquid chromatography
GB/T 37640-2019
Food contact materials - Polymer materials - Determination of 2,4,4'-Trichloro-2'-hydroxydiphenyl Ether (Triclosan) in food simulants - High performance liquid chromatography
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
Determination of 2,3,5,4'-tetrahydroxystilbene-O-β-D-glucoside in cosmetics―High performance liquid chromatography
GB/T 37640-2019
GB/T 37640-2019
Cosmetic raw materials. 2,4,4-trichloro-2hydroxy-diphenyl-ether (Triclosan).
GB/T 37640-2019
GB/T 37640-2019
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
Standard Test Method for Determination of 4-Carboxybenzaldehyde and
GB/T 37640-2019
Forensic sciences—Examination methods for MDAI、2-AI、5-EAPB in suspected drugs—GC and GC-MS