PCB 28, 10.0 µg/ml, Isooctane, 10ml Back Catalog number: 680572 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 97169 Glucose, Cellobiose & Dextran Ratio Level 4 Price on request 83594 Pentachlorophenol Price on request 90999 Dibromofluoromethane Price on request