应用连续流动分析仪测定水中总氰化物的方法研究
Research on the method for determining total cyanide in water using continuous flow analyzers
魏薇 1蒋昌李 1陶冕 1张旭1
作者信息
- 1. 昆明市城市排水监测站,云南 昆明 650001
- 折叠
摘要
采用连续流动分析仪测定水中的总氰化物.结果表明,标准工作曲线的线性相关系数r≥0.999 5,检出限为0.15 μg/L,相对标准偏差≤1.0%,加标回收率为92.1%～110%.连续流动分析仪具有检出限大、精密度高、准确性好、分析速度快的优势,适合大批量的样品分析,符合现代水环境中污染物痕量分析监测技术发展趋势.
Abstract
Employing a continuous flow analyzer to determine the total cyanide in water.The results show that the linear correlation coefficient R of the standard working curve is greater than or equal to 0.999 5,the detection limit is 0.15 μg/L,the relative standard deviation is less than or equal to 1.0%,and the spiked recovery rate is between 92.1%and 110%.The continuous flow analyzer has the advantages of a low detection limit,high precision,good accuracy,and fast analysis speed,making it suitable for the analysis of a large number of samples,and in line with the development trend of modern trace pollutant analysis and monitoring technology in water environments.
关键词
连续流动分析仪/总氰化物/痕量分析/检出限Key words
continuous flow analyzer/total cyanide/trace analysis/detection limit引用本文复制引用
出版年
2024
国家科技期刊平台
NSTL
万方数据