Mass-Labelled PCB Congener Solution/Mixture, 1.2ml, nonane Back Catalog number: MBP-D7 Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 91966 Aroclor 1242 Price on request DTBP Tri-n-butyl phosphate-d27, 1.2ml x 50ug/ml, toluene Price on request 677514 Dodecyl gallate, 500mg Price on request