MA - VPH Matrix Spiking Sub Back Catalog number: 91965 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70663 Diuron Price on request FOET 2-Perfluorooctyl ethanol (8:2 FTOH), 50µg/ml in MeOH, 1,2ml Price on request 50037 Sodium Sulfate (SO42-) Price on request