COD Calibration Standard Back Catalog number: 50451 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 99446 Haloacetonitriles, 2000µg/ml in in MTBE, 1ml Price on request 57014 Silicon (Si), 1000µg/ml in 2%-HNO3/Water, 100ml Price on request 673289 Fenpyroximate, 100 µg/ml, Acetonitrile, 5ml Price on request