COD Calibration Standard Back Catalog number: 50451 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 679317 Carbophenothion-methyl, 100 µg/ml, Methanol, 1ml Price on request 679893 2,4,5-Trimethylaniline, 100 µg/ml, Acetonitrile, Price on request 10614.2-100-MEX5 O,O-Dimethylhydrogenphosphate-13C2 , sodium salt Price on request