PCB Congener Mix #5 Back Catalog number: 94983 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 73336 trans-9,12-Octadecadienoic acid Price on request 682835 3-Hydroxynaphthalene-2,7-disulfonic acid disodium Price on request 58005 Boron (B) Price on request