Method 8270A Back Catalog number: 82700 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 54172 Hexavalent Chromium (Cr +6) Price on request 48145 Derivative of 2,4-TDIP, 1000µg/mL in DMSO, 1ml Price on request 1780.10-100-AN 2-Aminonaphthalene,100 µg/mL,acetonitrile,1mL, Price on request