Chemical Oxygen Demand Back Catalog number: 59592 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 0244.24-200-T Dibenzo[a,e]pyrene, 200µg/mL, Solvent-toluene, Unit 1mL, # of units-1, Cas.no. 192-65-4 Price on request PFUDA Perfluoro-n-undecanoic acid, 1.2ml x 50ug/ml, methanol Price on request 54265 Phosphate (PO43-) as P Price on request