CLP Semi-Volatile Base/Neutral Surrogate Std Back Catalog number: 20006 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 685531 4,4'-Dibromobenzophenone, 100 µg/ml, Acetonitrile Price on request 33241 Propylcyclohexane Price on request 52003 Nickel Nitrate Modifier Price on request