蒸发恒重机器人在测定溶解性总固体中的应用  

Application of evaporation constant weight robot in the determination of total dissolved solids

作　　者：谢丽娟 董玉莲 苏兆斌 Xie Lijuan;Dong Yulian;Su Zhaobin(Guangzhoo Water Supply Co.,Ltd.,Guangzhoo 510100,China)

机构地区：[1]广州市自来水有限公司,广东广州510100

出　　处：《供水技术》2022年第3期16-18,共3页Water Technology

摘　　要：采用称重法和蒸发恒重机器人重量法,分别对管网水和市售包装饮用水进行了重复性及加标实验,比较两种方法检测水中溶解性固体的精密度以及加标回收率,并针对同一标准质控样品,验证蒸发恒重机器人重量法的准确度。分析结果表明,将智能化仪器蒸发恒重机器人应用于测定水中溶解性总固体的检测,方法准确可靠,操作性强,有效提高了检测效率。The repeatability and standard addition experiments of pipe network water and commercial packaged drinking water were carried out by weighing method and evaporation constant weight robot weight method,respectively.The degrees of precision and standard recovery rate of the two methods for the determination of total dissolved solids were compared,and the accuracy of evaporation constant weight robot weight method was verified for the same standard quality control sample.The analysis results showed that the intelligent instrument evaporation constant weight robot was accurate and reliable in water quality,had strong operability,and effectively improved the detection efficiency.

关 键 词：智能化仪器 管网水 溶解性总固体 

分 类 号：X853[环境科学与工程—环境工程]