Ammonium (NH4+) Back Catalog number: 50184 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0978.10-10MG Naphthalene-d8, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 1146-65-2 Price on request 677158 Dibutyltin dichloride, 1000 µg/ml, Methanol, 5ml Price on request 1625.13-100-IO 1,1,1,3,11,13,13,13-Octachlorotridecane, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 865306-24-7 Price on request