有机氯混标19组分, Chlorinated Pesticides/Herbicides,0.5 mg/mL in Ethyl acetate

有机氯混标17组分, Method 508-Chlorinated Pesticides by GC/ECD,1000 μg/mL in MtBE

4,4'-Dichlorobiphenyl ,0.5 mg/mL in MtBE

4,4-二氯联苯

Dithiothreitol in Ethyl acetate,1000 μg/mL in Ethyl acetate

二硫代苏糖醇

4,4'-Dichlorobiphenyl,0.5 mg/mL in MtBE

4,4-二氯联苯

7组分非衍生分析物, Underivatized Analytes,Varied conc. in MeOH

性能检测溶液, Performance Check Solution,Varied conc. in MtBE

EPA Method 521 Internal Standard Stock Solution,1000 μg/mL in Methylene chloride

EPA方法521内标储备液-N-亚硝基正丙胺-D14

16组分氯酸中甲基衍生物, Methyl Deriv. of Chlorinated Acids,1000 μg/mL in MtBE

EPA Method 521 Surrogate Standard Stock Solution,1000 μg/mL in Methylene chloride

EPA521储备液(N-亚硝基二甲胺-D6)检测标准品(1000 μg/mL 溶剂为二氯甲烷)