CLP Acid & Base/Neutral Surrogate Mix Back Catalog number: 21056 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3948.1-1ML Trichlorofluoromethane, neat, Solvent-neat, Unit 1mL, # of units-1, Cas.no. 75-69-4 Price on request 682214 Metribuzin-diketo, 100 µg/ml, Acetonitrile, 1ml Price on request Z343002 Zephirol-d7, 10mg Price on request