Method 1640Mix A Back Catalog number: 53146 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended M3PFHXS Sodium perfluoro-1-[1,2,3-13C3]hexanesulfonate, 1.2ml x 50ug/ml, methanol Price on request 674813 Bifenox, 100 µg/ml, Acetonitrile, 5ml Price on request 79086 Metolachlor Price on request