辛醛2,4-二硝基苯肼, Octanal-DNPH,1000 μg/mL in MeOH:AcCN (95:5) (as deriv.)

羰基2,4-二硝基苯肼混合标准品, Carbonyl DNPH Derivatives,1000 μg/mL in Acetonitrile

可吹脱卤代烃18种混标-液体, Purgeable Halocarbons-Liquids,0.2 mg/mL in Methanol

可吹脱卤代烃18种混标-液体, Purgeable Halocarbons-Liquids,2.0 mg/mL in MeOH

可吹脱芳烃-汽油11种混标, Purgeable Aromatics-Gasoline ID,2.0 mg/mL in MeOH

丙烯醛&丙烯腈, Acrolein &Acrylonitrile ,1000 μg/mL in Water

亚硝胺3种混标, Nitrosamines Mix,Varied conc. in MeOH

EPA方法610-6种混标, PAH Matrix Spiking Solution,Varied conc. in AcCN

EPA方法615-10种混标, Method 615 Underivatized Chlorinated Herbicides,Varied conc. in MeOH

Propazine,100 μg/mL in MeOH

扑灭津