Potassium (K) Back Catalog number: 50687 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 9486.16-50-IO 1-Chloropyrene, 50µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 34244-14-9 Price on request 677367 Anthracene, 100 µg/ml, Cyclohexane, 1ml Price on request 92573 TPH Gas Standard Price on request