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 2,3,5,4'-tetrahydroxystilbene-O-β-D-glucoside in cosmetics―High performance liquid chromatography
GB/T 37640-2019
Ultraviolet absorber-2-Hydroxy-4-n-octoxybenzophenone(UV-531)
GB/T 37640-2019
GB/T 37640-2019
GB/T 37640-2019
Chemical reagent Arsenazo Ⅲ
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
1-Hydroxyethylidene-1,1-diphosphonate acid
GB/T 37640-2019
Methods for chemical analysis of molybdenum--The glyoxal bis (2-hydroxyanil) photometric method for the determination of calcium content
GB/T 37640-2019
Methods for chemical analysis of tungsten--The glyoxal bis (2-hydroxyanil) photometric method for the determination of calcium content
GB/T 37640-2019
4,4’-Sulfonyldiphenol(Bisphenol-S)
GB/T 37640-2019
Cosmetic raw materials. 2,4,4-trichloro-2hydroxy-diphenyl-ether (Triclosan).
GB/T 37640-2019
Cosmetic raw materials. Sunscreens. Benzoic acid, 2-[4-(diethylamino)-2-hydroxybenzoyl]-hexylester.
GB/T 37640-2019
2-Hydroxy-6-naphthoic acid
GB/T 37640-2019
Determination of butyl hydroxy anisole,dibutyl hydroxy toluene,tertiary butyl hydroquinone,ethoxyquin and propyl gallate in feeds
GB/T 37640-2019
Cosmetic raw materials. Sunscreens. 2-Hidroxy-4-methoxy fenone (oxibenzone).
GB/T 37640-2019
GB/T 37640-2019
Cosmetic raw materials. Sunscreens. Benzoic acid, 2-{4-(diethylamino)-2-hidroxybenzoyl}-hexylester. Determination of the purity by gas chromatography.