Sodium perfluoro-3-methylheptanesulfonate, 1.2ml x 50ug/ml, methanol Back Catalog number: NAP3MHPS Availability: In the manufacturer's stock Price on request - + Recommended MPFBA Perfluoro-n-[1,2,3,4-13C4]butanoic acid, 50µg/ml in MeOH, 1,2ml Price on request 70964 n-Octane Price on request 82504 EPA Method 8270C Mix #1 - BNS Price on request