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水在工业上有极广泛的用途,如推动机械、传递热量以及溶解其他物质等。很多物质都能溶于水中,因此在水中常含有各种各样的杂质。这些杂质对水在工业上的应用极有影响。不同来源的水能否用于某项工业生产以及是否需要经过某种处理,必须对这些杂质进行分析之后才能决定。因此在很多工业生产中须经常进行水的分析。本文只讨论水的硬度及水中二氧化硅含量的连续分析方法。
Water has a very wide range of industrial uses, such as promoting machinery, transferring heat and dissolving other substances. Many substances are soluble in water and therefore often contain a wide range of impurities in water. These impurities have a great influence on the industrial application of water. Whether different sources of water can be used for an industrial production and whether it needs to be treated can only be determined after analyzing the impurities. Therefore, water analysis must be carried out frequently in many industrial processes. This article only discusses the continuous analysis of water hardness and silica content in water.