Ammonia as N, 100µg/ml in Water, 100ml Back Catalog number: 54123 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9338.10-100-IO Menthol, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 89-78-1 Price on request EN-1948CSL Extended Calibration/Low Level Solution, 500ul, nonane Price on request 72092 Adenine Price on request