Non-Buffered Mix-2 Back Catalog number: 675015 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 11748.12-100-IO 2,2',3,5,6,6'-Hexachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 35131 Benzene Price on request HPCHLOR-XEP Heptachlor-exo-epoxide (isomer B), 1.2mL x 100ug/mL, nonane Price on request