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 675155 D8-Naphthalene, 2mg/ml, tert-Butyl methyl ether, Price on request 90799 Phthalic anhydride Price on request 50177 Anion Mix #6 Price on request