Perfluoro-n-heptanoic acid, 1.2ml x 50ug/ml, methanol Back Catalog number: PFHPA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 0265.20-200-T Benzo[k]fluoranthene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 207-08-9 Price on request 59992 ICP-MS Mix Price on request DF-2467-S 2,4,6,7-Tetrachlorodibenzofuran, 1.2ml x 50ug/ml, nonane Price on request