TOC Calibration Standard (C) Back Catalog number: 59837 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673368 Isofenphos-oxon, 10 µg/ml, Acetonitrile, 10ml Price on request DF-123489-S 1,2,3,4,8,9-Hexachlorodibenzofuran, 1.2ml x 50ug/ml, toluene Price on request 71610 4,4’-Dichlorobenzophenone Price on request