13组分苯系物混标, Method 502.2/524.2 Mix F,200 μg/mL in MeOH

60组分VOC混标, Method 502.2-Volatile Organic Compounds,0.2 mg/mL in Methanol

MDL检测浓缩样品, MDL Check Sample Concentrate,0.02 μg/mL in MeOH

1,2-二溴乙烷,1,2-二溴-3-氯丙烷, 1,2-Dibromoethane &1,2-Dibromo-3-chloropropane,0.2 mg/mL in MeOH

507方法 混标C, Method 507-Mix C,1000 μg/mL in MtBE

Triphenylphosphate ,5.0 mg/mL in MtBE

磷酸三苯酯

19组分氯杀虫剂/除草剂混标, Chlorinated Pesticides/Herbicides,0.5 mg/mL in Ethyl acetate

分解液, Decomposition Solution,Varied conc. in MtBE

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

二硫代苏糖醇

6组分甲基衍生物混标, Methyl derivatives,Varied conc. in Methanol