6种挥发性有机化合物(VOC), Volatile Organic Compounds,2.0 mg/mL in MeOH

12种挥发性有机化合物(VOC), Volatile Organic Compounds,2.0 mg/mL in MeOH

13组分苯系物混标, Method 502.2/524.2 Mix F,200 μg/mL in MeOH

Methylene chloride-d2 ,2.0 mg/mL in MeOH

氘代二氯甲烷

61组分VOC混标, Volatile Organic Compounds-Liquids &Gases,0.2 mg/mL in MeOH

VOC套标, Volatile Organic Compounds

1,2-二溴乙烷,1,2-二溴-3-氯丙烷, 1,2-Dibromoethane &1,2-Dibromo-3-chloropropane,2.0 mg/mL in MeOH

16组分-卤代物农药混标, Method 505-Organohalide Pesticides,Varied conc. in MeOH

507方法 混标B, Method 507-Mix B,1000 μg/mL in MtBE

B混标, Method 507-Mix B,1000 μg/mL in MtBE