PCB Congener Mix, 100µg/ml in Isooctane, 1ml Back Catalog number: 94567 Manufacturer: ABSOLUTE STANDARDS Availability: 3 weeks Price on request - + Recommended 680594 Methylmalonic acid, 100 µg/ml, Acetonitrile, 1ml Price on request 57227 Cobalt (Co) Price on request 676954 Perfluorotridecanoic acid, 100mg Price on request