COD Calibration Standard Back Catalog number: 50255 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675159 Chlorthal-dimethyl, 250mg Price on request 50102 Custom Metal Mix Price on request 682081 N,N-Dimethylaniline, 100 µg/ml, Methanol, 5ml Price on request