Hexavalent Chromium (Cr 6+) Back Catalog number: 54161 Availability: In the manufacturer's stock Price on request - + Recommended WP-ISS Internal Standard Solution, 1.2ml, nonane Price on request 685725 Cyflumetofen, 100µg/ml in Acetonitrile, 1ml Price on request 682123 PCB 138, 10.0 µg/ml, Isooctane, 10ml Price on request