PCB 138, 10.0 µg/ml, Isooctane, 10ml Back Catalog number: 682123 Manufacturer: HPC STANDARDS GmbH Availability: In the manufacturer's stock Price on request - + Recommended 2819.5-50-ME n-Perfluoropentanoic acid, 50µg/mL, Solvent-methanol, Unit 1mL, # of units-1, Cas.no. 2706-90-3 Price on request 71944 1,4-Dimethylnaphthalene Price on request 54172 Hexavalent Chromium (Cr +6) Price on request