GB/T 21037-2024
Determination of diaveridine, trimethoprim and ormetoprim in feeds
GB/T 21037-2024
Feed additive—Menadione dimethylpyrimidinol bisulfite
GB/T 21037-2024
4,4’-Sulfonyldiphenol(Bisphenol-S)
GB/T 21037-2024
GB/T 21037-2024
Method for the determination of sulfacetamide,sulfapyridine,sulfamerazine,sulfamethoxypyridazine,sulfameter,sulfachloropyridazine,sulfamethoxazole and sulfadime-thoxine residues in honey--Liquid chromatographic method
GB/T 21037-2024
Determination of sulfonamides potentiator residues in animal origin foodstuffs for import and export-LC-MS/MS method
GB/T 21037-2024
GB/T 21037-2024
Determination of sulfamethazine and sulfamonomethoxine in feeds—High-performance liquid chromatography
GB/T 21037-2024
GB/T 21037-2024
Paper,board and pulps—Determination of 2,2-bis(4-hydroxyphenyl) propane (bisphenol A )—Liquid chromatography
GB/T 21037-2024
GB/T 21037-2024
Food contact materials - Polymers - Determination of 2,4-Diamino-6-hydroxypyrimidine in simulants - High performance liquid chromatography
GB/T 21037-2024
Rubber antioxidant—N,N'-bis(1-methylpropyl)-p-phenylenediamine
GB/T 21037-2024
Dialkyl dimethyl ammonium halides(C8~C10)
GB/T 21037-2024
GB/T 21037-2024
GB/T 21037-2024
GB/T 21037-2024
Dialkyl dimethyl ammonium halides (C14~C18)
GB/T 21037-2024
Food contact materials-Paper and regenerated fiber-Determination of total contant of distearyl dimethyl ammonium chloride,ditallow alkyl dimethyl ammonium chloride,and di(hydrogentated tallow)dimethyl ammonium chloride-Liquid chromatography-tandem mass sp
GB/T 21037-2024
Determination of chloroacetaldehyde,2,4-dihydroxy-3-methylbenzaldehyde,crotonaldehyde,acetophenone,2-pentylidenecyclohexanone and glutaral in cosmetics—High performance liquid chromatography