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对测定水垢中ＣＯ２－３酸碱滴定方法加以改进，引入过滤操作，应用于火力发电厂冲灰管水垢中ＣＯ２－３的测定．试验结果表明，改进后的方法与原方法相比，有较好的准确度和精密度
The method of measuring CO2-3 acid-base titration in scale is improved, and the filtration operation is introduced to apply to the determination of CO2-3 in limestone scale of thermal power plant. The experimental results show that the improved method has better accuracy and precision than the original method