摘要
研制水质臭氧分析仪的校准系统,并对其进行不确定度评定,使用紫外分光光度计,对臭氧水的吸光度定值和摩尔吸光系数用碘量法进行量值溯源。结果表明:该系统稳定性为3%/10min,扩展不确定度为0.05mg/L,k=2,可用于该分析仪的校准。
The calibration system of ozone water quality analyzer was developed and its uncertainty was evaluated.The absorbance and molar absorbance coefficient of ozone water were determined by ultraviolet spectrophotometer and traced by iodine method.The results show that the stability of the system is 3%/10min,the extended uncertainty is 0.05mg/L,k=2,and it can be used for the calibration of the analyzer.
作者
李学辉
李亚飞
张亚飞
罗军
陈希尧
LI Xuehui;LI Yafei;ZHANG Yafei;LUO Jun;CHEN Xiyao
出处
《计量与测试技术》
2024年第5期24-27,共4页
Metrology & Measurement Technique
基金
上海市市场监督管理局项目[沪市监科财验字(2022)第33号](项目编号:2019-16)。
关键词
水质臭氧分析仪
校准系统
不确定度
量值溯源
water quality ozone analyzer
calibration system
uncertainty
quantity traceability
