Ammonia as (NH4+) Back Catalog number: 54212 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8917.13-K-IO 4-(1-Ethyl-1-methylpropyl)-2-methylphenol, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 775-93-9 Price on request 3493.10-100-CY Propham Price on request 18000-0255-100AN5 Clindamycin-HCl, 100µg/ml in Acetonitrile, 5ml Price on request