PhEur5.0溶剂残留GC校准混标，溶于DMSO

性质

grade analytical standard

packaging pkg of 1 × 2 mL

concentration in DMSO (varied)

苯                     Benzene 200 ppm

四氯化碳         Carbon tetrachloride 400 ppm 

1,2-二氯乙烷 1,2-Dichloroethane 500 ppm 

1,2-二氯乙烯 1,1-Dichloroethylene 800 ppm

三氯乙烯         Trichloroethylene 1500 ppm