杀虫剂混标, Method 8270C/D Pesticides,1000 μg/mL in CH2Cl2

ASL方法8270C/D-39种混标, AccuGrand 8270 Semi-Volatile Standard,1000 μg/mL in Methylene chloride

EPA方法8270套标, Semi-Volatile by Capillary Column GC/MS

EPA方法8270-6种混标, Method 8270-Surrogate Standard,Varied conc. in Dichloromethane:Methanol (80:20)

Benz(a)anthracene,0.5 mg/mL in Acetonitrile

1,2-苯并[A]蒽

Benzo(g,h,i)perylene,0.5 mg/mL in Acetonitrile

苯并(g,h,i)苝

Phenanthrene,0.5 mg/mL in Acetonitrile

乙醛-二硝基苯肼与甲醛二硝基苯肼混合标准品, Acetaldehyde-DNPH &Formaldehyde-DNPH,1000 μg/mL in MeOH

15种醛酮-DNPH混标(HJ 997-2018), Option 2 DNPH Derivative Testing Mix,0.1 mg/mL in AcCN

Formaldehyde-DNPH ,0.1 mg/mL in Acetonitrile

甲醛-2,4-二硝基苯腙