Hexavalent Chromium (Cr 6+) Back Catalog number: 50787 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1446.14-K-IO 4-tert-Octylphenol, 1000µg/ml in Isooctane, 1ml Price on request 70434 Acetophenone Price on request 685299 Benazolin-ethyl, 100 µg/ml, Acetonitrile, 5ml Price on request