Chemical Oxygen Demand Back Catalog number: 59592 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 70594 Chlortoluron Price on request 0216.26-200-T Dibenzo[g,p]chrysene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 191-68-4 Price on request 3318.6-100 epsilon-HCH (BHC), 100µg/mL, Solvent-c.hexane or ac.nitrile, Unit 1mL, # of units-1, Cas.no. 6108-10-7 Price on request