The results showed that the curve of streaming potential indicated sharply the end point of titration for cationic starch.
结果表明流动电位曲线敏锐地指示了低电荷密度的阳离子淀粉胶体滴定的终点。
The article discussed the various end point errors of precipitation titrametry, and deduced the computation formula of different titration errors.
讨论了银量法在不同情况下的终点误差,并推导出其各种终点误差的计算通式。
During the production, determination of SO_2 (sulphur dioxide) in dry red wine using potentiometric titration avoids the end-point recognition difficulty compared with using iodometry method.
在生产中利用电位滴定法测定干红葡萄酒中SO_2的含量,避免了直接碘量法终点识别的困难。
A particle charge detector (PCD) was applied to determine the end point of colloidal titration for cationic starch having small charge density.
应用粒子电荷测定仪(PCD)的流动电位变化判定阳离子淀粉胶体滴定的终点。
Results: Determine the end-point of titration by sudden potential change of the indicatory electrode (use E-V curve method).
结果:指示电极电势突变时,为滴定终点(选用e V曲线法)。
This article discusses the acidic potassium permanganate method of permanganate index from the following aspects: heating time, titrate temperature and titrate speed, end point of titration.
前言:文章对高锰酸盐指数加热时间、滴定温度、速度、滴定终点的控制进行了探讨。
The end point of titration is controlled by instantaneous titration controller and titre is measured by Mariotte constant current titrator and timer.
瞬时滴定控制器可准确地控制滴定终点,使分析结果准确可靠。
The procedure doesn't use indicator and the precipitate doesn't to separate. The end point of titration is obvious. The operation is simple , fast , accuracy and good repetition.
该方法不用指示剂,沉淀不必分离,具有终点直观、操作简单、快速准确、重现性好等特点。
In mixed weak acid titration, calculation of PH of stoichiometric point, calculation of end point error and stepwise titration criterion are the must specific problems.
在混合弱酸滴定中,化学计量点时PH值计算、终点误差计算,分步滴定判据是三个必须明确的问题,本文对混合弱酸滴定的这三个问题作一探讨。
In mixed weak acid titration, calculation of PH of stoichiometric point, calculation of end point error and stepwise titration criterion are the must specific problems.
在混合弱酸滴定中,化学计量点时PH值计算、终点误差计算,分步滴定判据是三个必须明确的问题,本文对混合弱酸滴定的这三个问题作一探讨。
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