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First Standard® 正己烷中乙嘧硫磷溶液,1000μg/mL
2,2’,3,4,5,6’-六氯联苯(PCB 143) 标准品
PUNYW25610439 rac-Secoisolariciresinol-d4
Carbosulfan Solution 100ug/ml in Acetonitrile
溴乙酸乙酯(1,2-13C2,99%)标准品
乙呋草黄 标准品
四氯化碳中石油类标准物质
叶枯唑溶液, 100ppm
3,3',5,5'-Tetrabromobisphenol A diallyl ether
Cyclohexanone Solution 2000ug/ml in Isooctane