Ammonium (NH4+) Back Catalog number: 50184 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended ME 20150 Aqueous Ethanol Standard (1,5g/l), 10 x 1,1ml Price on request 3000.9-K-CY 2,3,3-Trimethylhexane, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 16747-28-7 Price on request 9284.17-25MG Sertraline hydrochloride, neat, Solvent-neat, Unit 25mg, # of units-1, Cas.no. 79559-97-0 Price on request