Ammonia as (NH4+) Back Catalog number: 50630 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9245.8-100-ME Acetaminophen-d4 (Paracetamol-d4),100 µg/mL,MeOH,1mL Price on request 2058.7-1G 4-Fluoro-3-methylphenol, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 452-70-0 Price on request 59322 Cations Mix (K,Na,Mg,Ca) 1000µg/ml in Water, 100ml Price on request