ICP-MS Internal Calibration Mix Back Catalog number: 50014 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679880 Benzidine, 100 µg/ml, Acetonitrile, 1ml Price on request 59102 Metals Standard Price on request 681772 Octocrylene, 100 µg/ml, Acetonitrile, 1ml Price on request