Perfluoro-n-pentanoic acid, 50µg/ml in MeOH, 1,2ml Back Catalog number: PFPEA Manufacturer: Wellington Laboratories Availability: 1 week Price on request - + Recommended 0754.14-K-IO 2,2,5,7-Tetramethyltetraline, 1000µg/mL, Solvent-isooctane, Unit 1mL, # of units-1, Cas.no. 23342-25-8 Price on request 59491 Chromium (Cr) Price on request 55196 WS-SDWA Sulfide Price on request