Ammonia as (NH4+) Back Catalog number: 50632 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3899.8-K-AN 2-Methoxy-4-vinylphenol, 1000µg/mL, Solvent-acetonitrile, Unit 1mL, # of units-, Cas.no. 7786-61-0 Price on request 2970.12-100-IO Thiobencarb-d10 (diethyl-d10), 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 1219804-59-7 Price on request 673703 Terbuthylazine, 10 µg/ml, Ethyl acetate, 10ml Price on request