摘要
采用离子色谱法对生活饮用水样品中的溴酸盐进行测定,并对测量结果进行不确定度评定。剖析了影响测量不确定度的主要因素,对储备标准溶液、稀释标准溶液、拟合标准曲线、重复性测量、仪器稳定性等影响不确定度的因素进行评定,并计算出扩展不确定度,使结果的表达更加客观,为实验室质量控制提供参考依据。
The determination of bromate in drinking water samples has been carried out by ion chromatogra phy and the uncertainty of the measurement results has been evaluated. The main sources that affect the uncertainty of measurement have beem analyzed. The factors that affect the uncertainty of the standard re serve solution, such as the dilution of standard solution, the standard curve fitting, the sample repeatabili ty measurement and the instrument have been analyzed. The expansion inaccuracy has been calculated. It makes the result more objective and true, and provide references for laboratory quality control.
作者
李清彩
陈娟
毛秀丽
赵庆令
LI Qingcai;CHEN Juan;MAO Xiuli;ZHAO Qingling(Lunan Geo engineering Exploration Institute,Shandong Yanzhou 272100,China)
出处
《山东国土资源》
2018年第12期71-75,共5页
Shandong Land and Resources
基金
山东省地下水水源地调查评价(鲁西南)项目(鲁地环﹝2016﹞002号)
