Perfluorooctane sulfonic acid, 100 ng/µl, 1ml Back Catalog number: XA15987120ME Availability: In the manufacturer's stock Price on request - + Recommended 56332 EPA Method 200.8 Internal Standard Price on request MBP-114 2,3,4,4',5-Pentachloro[13C12]biphenyl, 1.2ml x 50ug/ml, nonane Price on request 9563.8-50-AN 6:2MonoPAPS, 50µg/mL, Solvent-acetonotrile, Unit 1mL, # of units-1, Cas.no. 150065-76-2 Price on request