Hexavalent Chromium (Cr +6) Back Catalog number: 59811 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 59341 Perchlorate Level 3 Price on request 8242.18-100-IO 1-Nitrotriphenylene-d11, 100µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. Price on request 70593 Chlorpyrifos methyl Price on request