PAH-Mix 4, 10.0 µg/ml, Acetonitrile, 10ml Back Catalog number: 683866 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2128.12-10-IOX5 Arochlor 1254, 10µg/mL, Solvent-isooctane, Unit 1mL, # of units-5, Cas.no. 11097-69-1 Price on request 675580 Thiofanox, 10.0 µg/ml, Acetonitrile, 10ml Price on request 55148 Inorganic Drinking Water Kit Price on request