Hexavalent Chromium (Cr +6) Back Catalog number: 54175 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 12125.12-100-ME Carbetamide,100 µg/mL,neat,1mL, Price on request 1377.4-5ML sec-Butanol, neat, Solvent-neat, Unit 5mL, # of units-1, Cas.no. 78-92-2 Price on request 41004 EPA Method 608Mix #4 Price on request