NWTPH-Gx Surrogate Mix Back Catalog number: 51139 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MPFOS Sodium perfluoro-1-[1,2,3,4-13C4]octanesulfonate, 1.2ml x 50ug/ml, methanol Price on request 4H172 2,2',3,3',4',5,5'-Heptachloro-4-biphenylol, 1.2ml x 50ug/ml, nonane Price on request 674743 PSA-C18-Mix 2 Price on request