8270,83种半挥发物混标 含有M-8270-IS-WL-8X,M-8270-IS-WL-6X,M-8270-IS-WL-4X,M-8270-IS-WL-2.5X,M-8270-IS-WL 五支标准品, Method 8270 5 Point Curve with ISTD's

EPA方法8270标准替代物标准品6组分, Method 8270-Surrogate Standard,4.0 mg/mL in CH2Cl2

EPA方法8272标准品, EPA 8272 Standard,Varied conc. in Dichloromethane

18种组分PAH混标, Polynuclear Aromatic Hydrocarbons (HPLC),0.5 mg/mL in Acetonitrile

Fluorene,0.5 mg/mL in Acetonitrile

Decafluorobiphenyl ,0.1 mg/mL in Acetonitrile

十氟联苯

Acetaldehyde-DNPH,0.1 mg/mL in Acetonitrile

乙醛2,4-二硝基苯腙

EPA方法8315, Method 8315-Carbonyl Compounds Set

Butanal-DNPH,0.1 mg/mL in Acetonitrile

丁醛2,4-二硝基苯肼

Pentanal-DNPH,0.1 mg/mL in Acetonitrile

戊醛-DNPH