实验室甲基衍生物性能检测溶液, Laboratory Performance Check Methyl Derivatives,Varied conc. in MtBE

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

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

18组分EPA 混标, EPA Method 524.3,2.0 mg/mL in Methanol

p-Terphenyl-d14,500 μg/mL in Dichloromethane

氘代三联苯

527方法 混标 五组分, Method 527 PBDE Standard,Isooctane:Ethyl acetate 80:20

替代标准品, Surrogate Standard,Varied conc. in Methanol

标准品, EPA Method 530 Standard,1000 μg/mL in Methanol

氨基甲酸酯杀虫剂共混标, Carbamate Pesticide Mix,100 μg/mL in Methanol

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