EPA方法624-3种混�? 4-Bromofluorobenzene/Fluorobenzene/Pentafluorobenzene,20 mg/mL in Methanol

2-Fluorobiphenyl,0.2 mg/mL in CH2Cl2

2,2'-Difluorobiphenyl,2.0 mg/mL in Dichloromethane

2,2-二氟联苯

2-Fluorophenol,0.2 mg/mL in CH2Cl2

�?中性萃取物混标3, Base/Neutral Extractables Mix 3,0.5 mg/mL in CH2Cl2

EPA方法625标准�? Method 625 Modification Standard,2000 μg/mL in Methylene chloride

Cyanazine,0.1 mg/mL in Acetonitrile

Carbaryl ,0.1 mg/mL in Acetonitrile

废水中的氨基甲酸酯和尿素农药, Carbamates &Urea Pesticides in Waste Water,0.1 mg/mL in Acetonitrile

PCB异构体校准标准品, PCB Isomer Calibration Mix,Varied conc. in Hexane