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method of measurement by means of electrodes sensitive to reactions of oxydoreduction or ion
method of measurement by means of electrodes sensitive to reactions of oxydoreduction or ion
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机译:通过对氧化还原或离子反应敏感的电极进行测量的方法
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摘要
To compensate the zero-point drifts in continuous measuring processes using redox or ion-sensitive electrodes, a side stream is branched off from the system to be measured and potentiometric measurement is carried out therein in such a way that, after potentiometric measurement of the momentary concentration of the ions to be determined, the zero point is re-determined after complete removal of this ion type with a suitable reagent. Both measurements are best carried out with the assistance of a timer. The system may for example be applied to the measurement of the cyanide ion content of a solution using hydrogen peroxide as the reagent.
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