Calibration of the oxygen polarograph by the depletion of oxygen with hypoxanthine-xanthine oxidase-catalase.
D002374:Catalase; D004566:Electrodes; D007042:Hypoxanthines; D011048:Polarography / Q000379:methods; D014969:Xanthine Oxidase
D007042:Hypoxanthines; D002374:Catalase; D014969:Xanthine Oxidase