Chemical Oxygen Demand Back Catalog number: 59592 Manufacturer: ABSOLUTE STANDARDS Availability: In the manufacturer's stock Price on request - + Recommended 6:2DIPAP Sodium bis(1H,1H,2H,2H-perfluorooctyl)phosphate, 50µg/ml in MeOH, 1,2ml Price on request 11769.12-100-IO 2,3,3',4',5,5',6-Heptachlorobiphenyl ,100 µg/mL,isooctane,1mL, Price on request 679041 TEPA, 100 µg/ml, Methanol, 1ml Price on request