自备井水中溶解性总固体快速测定方法的研究  

Self-provided well water solubility of total solid rapid determination method of research

作　　者：陈素军[1] 刘裕婷[1] 张志荣[1] 

机构地区：[1]北京丰台区疾病预防控制中心理化科,北京100071

出　　处：《国际检验医学杂志》2014年第18期2515-2515,2518,共2页International Journal of Laboratory Medicine

基　　金：北京市委;市政府重点工作及区县政府应急项目预启动资助项目(Z111107056811042)

摘　　要：目的：建立一种测定自备井水中溶解性总固体的方法。方法利用附有溶解性总固体测定功能的电导率仪，直接测定自备井水中的溶解性总固体含量。结果该法与国标法比较，无明显差异，相对标准偏差为0．17％～0．22％，加标回收率为97．5％～98．6％。结论该法测定自备井水中溶解性总固体，具有快捷、简便、精密度好、准确度高的特点，适用于大批量水样的快速测定。Objective To establish a method for determination of total soluble solids （TDS） in self-provided well water .Methods The conductivity meter which has a function of determination of total soluble solid ,and was used to directly determinate the total soluble solids in self-provided well water .Results Compared with national standard method ,the results have no significant differ-ence .The relative standard deviation （RSD） was 0 .17% -0 .22% ,and the recovery rates of standard was 97 .5% -98 .6% .Conclu-sion The method is quick ,simple ,sensitive ,accurate and suitable for rapid determination of large quantities of waters .

关 键 词：电导率仪 自备井水 溶解性总固体 

分 类 号：R123.1[医药卫生—环境卫生学]