Ammonium Standard: NH4+, 1000µg/ml in Water, 100ml Back Catalog number: VHG-INH41K-100 Availability: In the manufacturer's stock Price on request - + Recommended 90369 Tetrachloro-m-xylene Price on request 2096.16-K-IO Bis(2-ethoxyethyl) phthalate, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 605-54-9 Price on request 15900-4680-100AN5 Terbuthylazin, 100μg/ml in Acetonitrile, 5ml Price on request