PCB Congeners (10 ppm) Back Catalog number: 98003 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675832 Phosphamidon, 100 µg/ml, Toluene, 5ml Price on request 92270 Citric acid [3% wt] Price on request 678313 Tetraconazole, 10 µg/ml, Acetonitrile, 10ml Price on request