AccuStandard
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
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)
EPA方法524.3, EPA Method 524.3 Surrogate Standard,2.0 mg/mL in Methanol
525方法内标物标准, Method 525-Internal Standard,2.0 mg/mL in CH2Cl2