Perfluorooctane sulfonic acid, 100µg/ml in MeOH, 1ml Back Catalog number: PFOS-001S Availability: In the manufacturer's stock Price on request - + Recommended M4M187 2,2',3,4',5,5',6-Heptachloro-4-methoxy[13C12]biphenyl, 1.2ml x 50ug/ml, toluene Price on request 59107 Anions Calibration Mix Price on request 71977 1,2-Benzodiphenylene sulfide Price on request