Ammonia as (NH4+) Back Catalog number: 50629 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 8615.9-KIT Chloropropanol Kit (includes 8614.4), , Solvent-, Unit , # of units-, Cas.no. Price on request 55080 WS-SDWA Conductance @ 20°C Price on request 72480 Trinexapac-ethyl, 1000µg/ml in MeOH, 1ml Price on request