氨基甲酯类农药套标(11种), Method 531 (HPLC) Set

标准品, EPA Method 541 Stock Standard,2000 μg/mL in Methanol

Endothall,10 μg/mL in Water

草多索

通过HPLC的550方法—多环芳烃, Method 550-PAH's by HPLC,Varied conc. in AcCN

改进实验室性能检测溶液, Modified Laboratory Performance Check Solution,Varied conc. in Pentane

消毒剂副产套标, Disinfectant By-products Set

甲基衍生物标准品, Method 552.1-Methyl Derivatives

二溴乙酸甲酯, Methyl dibromoacetate,20 μg/mL in MtBE

Chlorodibromoacetic acid,100 μg/mL in MtBE

二溴一氯乙酸

552.2A卤代乙酸标准, Haloacetic acid Set