GFAA Initial Calibration Verification Back Catalog number: 52315 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 678490 Propaquizafop, 100 µg/ml, Acetonitrile, 5ml Price on request 678083 Butafenacil, 100 µg/ml, Acetonitrile, 1ml Price on request 2043.8-10MG Perfluorooctane sulfonamide Price on request