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本法主要利用备有计算机控制的光电二极管阵列的分光光度法进行pH 测定,其优点为比常规电位法快速且可避免电位法中由各种不同的液接界电位(Liquidjunction potentials)引起的误差。
This method mainly uses the spectrophotometric method with a computer-controlled photodiode array for pH measurement. The advantage of this method is that it is faster than the conventional potentiometry method and can avoid the error caused by various different kinds of Liquidjunction potentials in the potential method .