Potassium (K) Back Catalog number: 59939 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50791 Ammonium as N Price on request 1039.18-200-T 2,7-Dimethylpyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 15679-24-0 Price on request 96319 n-Hydrocarbon Standard Price on request