Ammonia as NH3 Back Catalog number: 50736 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 53053 Mixed Calibration Standard 1 Price on request 1146.26-K-IO n-Hexacosane, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 630-01-3 Price on request ACQ-SE15-030 Ethanol standard in serum,1.5g/L,serum, 3mL Price on request