GFAA Initial Calibration Verification Back Catalog number: 52315 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675388 Azinphos-ethyl, 100 µg/ml, Acetonitrile, 10ml Price on request 680131 Cyenopyrafen, 25mg Price on request 70948 1,3-Diethylbenzene Price on request