| 水中总硬度测定影响因素的研究 |
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| 引用本文： | 李香兰.水中总硬度测定影响因素的研究[J].中国现代教育装备,2010(3):111-113. |
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| 作者姓名： | 李香兰 |
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| 作者单位： | 闽西职业技术学院,福建龙岩,364021 |
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| 摘 要： | 文章通过分析pH值、水样温度、缓冲溶液、铬黑T指示剂、滴定速度、溶液中二氧化碳含量、重金属和氧化物等干扰因素对测定水中总硬度结果准确度的影响，提出相应的解决办法，从而提高水中总硬度测定的准确性。
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| 关 键 词： | 总硬度 铬黑T 测定 缓冲溶液 |
Study on the factors affecting the determination of total hardness in water |
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| Li Xianglan.Study on the factors affecting the determination of total hardness in water[J].China Modern Education Equipment,2010(3):111-113. |
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| Authors: | Li Xianglan |
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| Institution: | Li Xianglan Minxi vocational , technical college,Longyan,364021,China |
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| Abstract: | By analyzing how the interference factors such as pH, water sample temperature, buffer solution, chrome black T indicator, rate of titration ,carbon dioxide content in solution, heavy metals, oxide, etc, affect the accuracy of the test result of total hardness in water, this paper provides the corresponding resolutions, thus to improve the accuracy of the determination of total hardness in water. |
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| Keywords: | total hardness chrome black T determination buffer solution |
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