联苯胺&3,3'-二氯联苯胺, Benzidine &3,3'-Dichlorobenzidine,1000 μg/mL in Methanol

EPA-608方法 16种混标, Method 608 Pesticides,20 μg/mL in MeOH

异佛尔酮与硝基芳烃套标, Isophorone &Nitroaromatics Set

多环芳烃混标(18组份), PAH Performance Check Solution,Varied conc. in AcCN

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

EPA方法619-11种混标, Method 619-Triazine Herbicides

Terbutryn,100 μg/mL in MeOH

特丁净/去草净

Stirophos,1000 μg/mL in Hexane

四氯乙烯磷,杀虫畏

p-Bromofluorobenzene ,0.2 mg/mL in MeOH

对溴氟苯

Pentafluorobenzene ,0.2 mg/mL in MeOH

五氟苯