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

有机氯17种混标, Chlorinated Pesticides/Herbicides,0.5 mg/mL in Ethyl acetate

15种有机氯混标, Method 508-Chlorinated Pesticides by GC/ECD,1000 μg/mL in MtBE

3组分性能检测溶液, Method 509-Performance Check Solution,Varied conc. in 0.1% w/v DTT in Ethyl acetate

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

甲基衍生物, Independent Check Standard Methyl Derivatives,Varied conc. in MtBE

非衍生的氯化酸, Underivatized Chlorinated Acids,Varied conc. in MeOH

8组分除草剂中甲基衍生物混标, Regulated Herbicide Methyl Derivatives Mix,Varied conc. in MtBE

2,4-Dichlorophenylacetic methyl ester,0.1 mg/mL in MtBE

2,4-二氯甲基酯

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)