Chemical Oxygen Demand Back Catalog number: 59447 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 675513 Bifenazate, 50mg Price on request 2472.6-K-IP 2,6-Dibromophenol, 1000µg/mL, Solvent-isopropanol, Unit 1mL, # of units-1, Cas.no. 608-33-3 Price on request 682580 Tribufos, 100 µg/ml, Acetonitrile, 5ml Price on request