Alkalinity as Calcium Carbonate Back Catalog number: 50781 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3144.19-K-IO Nonadecanoic acid, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 646-30-0 Price on request 677370 Acenaphthene, 100 µg/ml, Acetonitrile, 1ml Price on request 2316.9-100-AN Diuron Price on request