Hexavalent Chromium (Cr +6) Back Catalog number: 50741 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 50029 Metals Mix #2 Price on request 95281 Hydrazine monohydrochloride as N2H4 Price on request 37031 EPA Method 525.2 - IS/SS Mix Price on request