TY - JOUR AU - Pargeter, J. K. AB - A Method for Direct Oxygen Determination in Molten Metals by J. K. Pargeter INTRODUCTION Where n is the number of electrons involved. More detailed theoretical discussions have been published The direct determination of the oxygen dissolved elsewhere'- • in liquid metals is a problem which has only recently been resolved. Those methods previously available The work described in this paper involves the involve the removal of a sample which is then solidi­ quantitative evaluation of the conduction properties fied-the solid sample-it is hoped, being representa­ of stabilized zirconia at temperatures and oxygen tive of the liquid state. These samples then must be partial-pressure ranges of interest in steelmaking. prepared and analyzed in a vacuum fusion or similar Concurrently, a device capable of direct insertion apparatus, a process that is time-consuming and fre­ into large quantities of molten steel has been de­ quently yields doubtful results. veloped and tested. The basis of the method described for the very rapid determination of oxygen in liquid metal is the EXPERIMENTAL PROCEDURE AND RESULTS potential developed between an air/zirconium oxide electrode and the liquid metal, first suggested by Evaluation of stabilized zirconia Fischer and Hoffman.' The theoretical expression given above is only As TI - A method for direct oxygen determination in molten metals JF - JOM DO - 10.1007/BF03378750 DA - 1968-10-01 UR - https://www.deepdyve.com/lp/springer-journals/a-method-for-direct-oxygen-determination-in-molten-metals-xb6BnohEgh SP - 27 EP - 31 VL - 20 IS - 10 DP - DeepDyve ER -