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 679167 13C3-Nitrofurantoin, 5mg Price on request 72008 Potassium sorbate Price on request 66066 2,3’,4,4’-Tetrachlorobiphenyl (66) Price on request