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杀草喹(符合:GB 2763-2016)
1,2,7,8-Tetrachlorodibenzo-p-dioxin 标准品
Di-tert-butylsulfide
Simazine-d10 (diethyl-d10) 标准品
Perdeuterated PAH-II Solution in Hexane/Toluene
苯并(a)芘
3-(Acetylthio)propionic Acid
Trihalomethanes Solutions
PBDE混标
Ginsenoside Rb1 标准品