632.1方法甲酸酯氨基混合溶液, Carbamates &Urea Pesticides in Waste Water,1000 μg/mL in Acetonitrile

Bentazon,0.1 mg/mL in Acetonitrile

灭草松/3-异丙基-(1H)-苯骈-2,1,3-噻二嗪-4-酮-2,2-二氧化物

EPA方法680, Retention Time Calibration Standard,Varied conc. in Hexane

卤化挥发物5种混标, Halogenated Volatiles Mix,0.2 mg/mL in MeOH

EPA方法8015A-12种混标, Non-Halogenated Volatiles Mix,100 μg/mL in MeOH

EPA方法8020-2种混标, Internal Standard Mix,2.0 mg/mL in Water

标准品, Method 8020A-ISTD / SS Solution,1.5 mg/mL in MeOH

EPA方法8021-4种混标, Method 8021-Surrogate Standard,20 mg/mL in MeOH

EPA方法8021B-2种混标, Internal Standards Mix,50 μg/mL in MeOH

EPA方法8021B-2种混标, Surrogate Standards Mix,1500 μg/mL in MeOH