Hexavalent Chromium (Cr +6) Back Catalog number: 50741 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 72809 Perfluoroheptanoic acid Price on request XA11530000AL Chlorotoluron, 100µg/mL in Acetonitrile, 1ml Price on request 70501 Methiocarb, 1000µg/ml in MeOH, 1ml Price on request