This paper discusses the improvement on acid base backing titration method for the determination of CO 2- 3 in ash conveying pipe scale and the filtering operation is adopted.
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。
