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本文提出了用PVC膜四碘络铋和钙离子选择电极为指示电极,不经分离,在一份试液中,连续测定Fe、Al、Ti、Ca、Mg五元素的电位滴定法。
In this paper, potentiometric titration of five elements of Fe, Al, Ti, Ca and Mg in a test solution with PVC membrane tetra-iodo-bismuth and calcium ion-selective electrodes as indicator electrodes without separation was proposed.