Ammonium Standard: NH4+, 1000µg/ml in Water, 100ml Back Catalog number: VHG-INH41K-100 Availability: In the manufacturer's stock Price on request - + Recommended 2057.6-K-IP 2-Fluorophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 367-12-4 Price on request C11502705 2-Chloro-1-propanol, 50mg Price on request S-4505-K-IO Hydrocarbon mixture C14-C32 C14,C16,C17,Pristane,C18,Phytane,C19,C20,C22,C24,C16,C28,C32 1mg/ml each in isooctane Price on request