GB/T 44365-2024
Determination of 6-methylcoumarin, dihydrocoumarin, 7-methylcoumarin, 7-methoxycoumarin, 7-ethoxy-4-methylcoumarin in toothpastes—High performance liquid chromatography
QB/T 2242-2011
SN/T 4318-2015
Determination of coumarin,6-methylcoumarin,dihydrocoumarin,7-methoxycoumarin,acenocoumarol,7-ethoxy-4-methylcoumarin residues in foods for export - LC/MS/MS method
GB/T 39993-2021
Determination of permitted preservatives dimethyl oxazolidine, 7-ethylbicyclooxazolidine and 5-bromo-5-nitro-1,3-dioxane in cosmetics
HG/T 3574-1990
ASTM E1262-24
Standard Guide for Performance of Chinese Hamster Ovary Cell/Hypoxanthine Guanine Phosphoribosyl Transferase Gene Mutation Assay
ASTM E1262-88(2018)
Standard Guide for Performance of Chinese Hamster Ovary Cell/Hypoxanthine Guanine Phosphoribosyl Transferase Gene Mutation Assay
ASTM E1262-88(2013)
Standard Guide for Performance of Chinese Hamster Ovary Cell/Hypoxanthine Guanine Phosphoribosyl Transferase Gene Mutation Assay
ASTM E1262-88(2008)
Standard Guide for Performance of Chinese Hamster Ovary Cell/Hypoxanthine Guanine Phosphoribosyl Transferase Gene Mutation Assay
ASTM E1262-88(2003)
Standard Guide for Performance of the Chinese Hamster Ovary Cell/Hypoxanthine Guanine Phosphoribosyl Transferase Gene Mutation Assay
ASTM E1262-88(1996)
Standard Guide for Performance of the Chinese Hamster Ovary Cell/Hypoxanthine Guanine Phosphoribosyl Transferase Gene Mutation Assay
32018D2013