水中溶解性总固体检测条件探讨
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摘要
溶解性总固体包括水中不易挥发的可溶性盐类、有机物和能通过过滤器的不溶性微粒等,是衡量水质优劣的重要指标之一.采用不同的检测方法在不同的环境条件下检测,会获得不同的溶解性总固体含量,即影响溶解性总固体测定结果的主要因素包含了烘干温度、是否加碳酸钠以及环境湿度.通过对不同烘干温度、不同环境湿度以及是否添加碳酸钠的情况下的溶解性总固体的检测结果进行比较,分析影响溶解性总固体检测结果的主要因素,探讨最佳的检测条件,获取最准确的结果.
Total dissolved solids,including insoluble soluble salts,organic matter and insoluble particles through filters,are important indicators of water quality. Different detection methods,such as the selection mode of different drying temperature and adding sodium carbonate method,in different environment conditions,will get different results of the total dissolved solids,that means the main factors affecting the determination results of total dissolved solids include drying temperature,adding sodium carbonate and the environment humidity. Through the comparison of test results of total dissolved solids in different drying temperature,relative humidity and the addition of sodium carbonate,the main factors affecting the total dissolved solids are analyzed to explore the optimal test conditions so as to obtain the most accurate results.
Total dissolved solids,including insoluble soluble salts,organic matter and insoluble particles through filters,are important indicators of water quality. Different detection methods,such as the selection mode of different drying temperature and adding sodium carbonate method,in different environment conditions,will get different results of the total dissolved solids,that means the main factors affecting the determination results of total dissolved solids include drying temperature,adding sodium carbonate and the environment humidity. Through the comparison of test results of total dissolved solids in different drying temperature,relative humidity and the addition of sodium carbonate,the main factors affecting the total dissolved solids are analyzed to explore the optimal test conditions so as to obtain the most accurate results.
引文
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[2]国家卫生和计划生育委员会,国家食品药品监督管理总局.GB8538-2016食品安全国家标准饮用天然矿泉水检验方法[S].北京:中国标准出版社,2016.
[3]中华人民共和国卫生部,中国国家标准化管理委员会.GB/T5750.4-2006生活饮用水标准检验方法:感官性状和物理指标[S].北京:中国标准出版社,2006.
[4]江梅,范秀清.水中溶解性总固体测定方法探讨[J].市政技术,2012,30(1):121-123.
[5]费立纬.浅议影响水中溶解性总固体测定的干扰因素和消除方法[J].黑龙江环境通报,2006,30(1):30-31.
[6]国家环境保护总局《水和废水监测分析方法》编委会.水和废水监测分析方法[M].4版.北京:中国环境科学出版社,2002.
[7]贾丽丽,陈华艳,吕晓龙.浓海水提镁过程中碳酸钠法除钙研究[J].无机盐工业,2009,41(10):15-17.
[8]中华人民共和国地质矿产部.DZ/T0064.1~80-1993地下水质检验方法[S].北京:地质出版社,1993.