引用本文:蒋耀梅,蔡裕丰.EDTA滴定法测定水中总硬度缓冲溶液配制的改进[J].环境监控与预警,2011,3(03):21-27
.Improvement of Buffer Solution Preparation in Determination of Total Hardness of Water with EDTA Titration[J].Environmental Monitoring and Forewarning,2011,3(03):21-27
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EDTA滴定法测定水中总硬度缓冲溶液配制的改进
蒋耀梅,蔡裕丰
启东市环境监测站,江苏 启东 226200
摘要:
针对EDTA滴定法测定水中总硬度(简称标准法)时,存在的缓冲溶液配制繁琐、耗时长的问题,提出了缓冲溶液配制的改进方法(简称改进法)。改进法很好地克服了标准法的不足。通过地表水、地下水以及总硬度标准样品的比对测定,两法测定结果无显著差异。
关键词:  EDTA滴定法  总硬度    缓冲溶液配制  改进
DOI:
分类号:
基金项目:
Improvement of Buffer Solution Preparation in Determination of Total Hardness of Water with EDTA Titration
Abstract:
In determination of total hardness of water with EDTA titration, preparation of buffer solution is tedious and time-consuming. The proposed method overcame the deficiencies of the standard method. By measuring the total hardness in surface water, groundwater and standard samples using the standard method and the improved method, the results had no significant differences.
Key words:  EDTA titration  total hardness  water  buffer solution preparation  improvement