*Base/Neutral Composite Mixture, 2.0 mg/mL in Benzene:Dichloromethane:Acetonitrile (2:2:1), 5 x 1 mL

This Certified Reference Material at a concentration of 2.0 mg/mL in Benzene:Dichloromethane:Acetonitrile (2:2:1) is composed of 44 analytes. It is supplied in a unit of 5 x 1 mL and should be stored in the freezer at less than -10 °C. Sonicate before use.