Potassium (K) Back Catalog number: 56019 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 52009A Mercury (Hg) Price on request 0259.17-K-T 11H-Benzo[a]fluorene, 1000µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 238-84-6 Price on request 673421 Propargite, 100 µg/ml, Acetonitrile, 5ml Price on request