Potassium Ferricyanide (III) (CN) Back Catalog number: 50219 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended NK-ST-A4 Native PCDD/PCDF Solution/Mixture, 1.2ml, nonane Price on request 71198 Fluoranthene-d10, 1000µg/ml in Methylen Chloride, 1ml Price on request 674738 PSA-GCB-Mix 6 Price on request