WS Sulphate / TOC Back Catalog number: 54148 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended MDD-123678 1,2,3,6,7,8-Hexachloro[13C12]dibenzo-p-dioxin, 1.2ml x 50ug/ml, toluene Price on request 83557 Propionaldehyde-DNPH Price on request CRM14799.9-50-ME Perfluorononanesulfonic acid, 50µg/ml in MeOH, 1ml Price on request