Color Back Catalog number: 50820 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended CL-PFOPA 8-Chloroperfluorooctylphosphonic acid, 50µg/ml in MeOH, 1,2ml Price on request 2125.12-K-IO Arochlor 1221 , 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 11104-28-2 Price on request 675347 PSA-CaCl2Mix 6 Price on request