Multi-Element Calibration Standard-2A Back Catalog number: 50012 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 57224 Chromium (Cr) Price on request 675264 Dieldrin, 50mg Price on request 9137.19-1G Hexadecyltrimethylammonium bromide, neat, Solvent-neat, Unit 1g, # of units-1, Cas.no. 57-09-0 Price on request