WS Sulphate / TOC Back Catalog number: 54148 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678263 Bifenazate, 100 µg/ml, Acetonitrile, 1ml Price on request 677922 Pyrethrins, 100 µg/ml, Ethyl acetate, 1ml Price on request CL-PFHXPA 6-Chloroperfluorohexylphosphonic acid, 50µg/ml in MeOH, 1,2ml Price on request