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

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

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

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

EPA分析方法521 亚硝酸胺混标(7组分), EPA Method 521 Analyte Stock Solution,200 μg/mL in methylene chloride

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

原发性稀释标准品, Primary Dilution Standard,200 μg/mL in Ethyl acetate

4种峰拖尾因子混标, Peak Tailing Factor Standard,10 μg/mL in Dichloromethane

EPA Method 529 Surrogate Standard Stock Solution,1000 μg/mL in Methanol

EPA方法529替代标准储备溶液

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

杀虫剂混标, Regulated Pesticide Mixture,0.1 mg/mL in Acetonitrile

苯脲替代标准, Phenylurea Surrogate Standard,500 μg/mL in Methanol

Endothall,50 μg/mL in Water

草多索

敌草快和百草枯, Diquat and Paraquat,1000 μg/mL in Water