PCB Congeners (10 ppm) Back Catalog number: 97819 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 673769 Crimidine, 100 µg/ml, Ethyl acetate, 5ml Price on request 59417 Cations Mix + N-Methyldiethanolamine Price on request 71089 Methyl undecanoate Price on request