Ammonium as NH3 Back Catalog number: 50797 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1167.12-K-IO 2,2,4,6,6-Pentamethylheptane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 13475-82-6 Price on request 38027 WS Toxaphene Price on request 674441 DMST, 100 µg/ml, Acetone, 1ml Price on request