COD Calibration Standard Back Catalog number: 51255 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 1270.9-K-CY 1,2,4-Trimethylbenzene, 1000µg/mL, Solvent-cyclohexane, Unit 1mL, # of units-1, Cas.no. 95-63-6 Price on request 54262 Nitrite as NO2-, 1000µg/ml in water, 100ml Price on request 0243.24-10MG Dibenzo[a,l]pyrene, neat, Solvent-neat, Unit 10mg, # of units-1, Cas.no. 191-30-0 Price on request