PCB Mix 1 ppb Back Catalog number: 95019 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 20046 CLP Volatiles - Low Concentration Mix #5 Price on request 50162 Metals Mix Price on request 14953.6-50-AN N-Ethyl-n-perfluorobutanesulfonamide (N-EtFBSA), 50μg/ml in Acetonitrile, 1ml Price on request