EPA方法8270B混标-亚硝胺混合物, Method 8270B- Nitrosamines Mix,2.0 mg/mL in CH2Cl2

半挥发性有机物混合标准品5, Semi-Volatile by Capillary Column GC/MS Mix 5,2.0 mg/mL in Dichloromethane

半挥发性有机物混合标准品6, Semi-Volatile by Capillary Column GC/MS Mix 6,2.0 mg/mL in CH2Cl2

ASL方法8270C/D-有毒物质8种混标, Method 8270B- Toxic Substance Mix,2.0 mg/mL in CH2Cl2

EPA方法8270C/-6种混标, Additions to Method 8270,2.0 mg/mL in CH2Cl2

ASL方法8270C/D-7种混标, Method 8270C/D Pesticides,1000 μg/mL in Dichloromethane

EPA方法8270B套标, Method 8270B Calibration Kit

EPA8270 半挥发性有机物混标(含内标,共83种), M-8270 Calibration Level 2 w/ ISTD,Varied conc. in Methylene chloride

EPA方法8270标准替代物标准品(硝基苯-D5/2-氟苯酚/苯酚-D5/三联苯-D14/2-氟联苯/三溴苯酚), Method 8270-Surrogate Standard,4.0 mg/mL in CH2Cl2

Benz[a]pyrene,0.5 mg/mL in Acetonitrile

苯并芘