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氧对H_2O-H_2及H_2O-H_2惰气混合气体氧位的影响

方正 , 陈新民

金属学报

考虑到氧的影响,本文导出一组H_2O-H_2及H_2O-H_2-惰气混合气体氧位新的表征式。经典表征式是该公式的特例。本文讨论了微量氧存在时对平衡气氛影响的各种因素以及减小误差的最佳配气条件,同时评价了某些用H_2O-H_2(或H_2O-H_2-惰气)混合气体控制氧位的平衡实验的可靠程度。

关键词: 气体平衡法 , H_2O-H_2 , H_2O-H_2-inerts , oxygen potential

EFFECT OF OXYGEN CONTENTS ON OXYGEN POTENTIALS OF H_2O-H_2 AND H_2O-H_2-INERTS GAS MIXTURES

FANG Zheng CHEN Xinmin(H.M.Chen) Central South University of Technology , Changsha , China FANG Zheng , Associate Professor , Department of Chemistry , Central South University of Technology , Changsha , China

金属学报(英文版)

By taking the effect of oxygen contents into account,a new set of formulae which represents the oxygen potentials of H_2O-H_2 and H_2O-H_2-inerts gas mixtures has been derived.Classi- cal representation is only a particular case of it.Some of the variables affecting equilibrium atmosphere when trace oxygen is present and optimum preparation of the gas mixtures to min- imize errors have been discussed.The reliability of some of previous equilibrium experiments under the oxygen potentials controlled by H_2O-H_2 or H_2O-H_2-inerts gas mixtures has also been criticized.

关键词: gas equilibration method , null , null , null

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