Calibration Standard Mix 1 Back Catalog number: 52043 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 680091 p-Toluidine, 250mg Price on request 79178 Endosulfan I Price on request 8CL-PFOS Sodium 8-chloroperfluoro-1-octanesulfonate, 1.2ml x 50ug/ml, methanol Price on request