Potassium (K) Back Catalog number: 59939 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 3308.12-100-IO 2,2',4,4',6,6'-Hexachlorobiphenyl, 100 µg/mL, Solvent-Isooctane, Unit 1mL, # of units-1, Cas.no. 33979-03-2 Price on request 71811 Bisphenol A, 1000µg/ml in MeOH, 1ml Price on request C16415200 2-Propanol, certified, 5ml Price on request