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浙江省水质中砷汞检测能力验证计划结果分析
引用本文:李学梅,洪正昉,董明强,黄芳. 浙江省水质中砷汞检测能力验证计划结果分析[J]. 中国卫生检验杂志, 2008, 18(11)
作者姓名:李学梅  洪正昉  董明强  黄芳
作者单位:1. 杭州市疾病预防控制中心,杭州,310006
2. 浙江省环境监测中心,杭州,310012
3. 国家城市供水监测网杭州监测站,杭州,310003
摘    要:目的:为了提高实验室检测结果的准确性与可比性,以及检验机构的整体能力,识别实验室间存在的差异。方法:采用国际通用的稳健统计用"Z比分数"的统计方法对水中砷、汞的检测结果进行分析。结果:此次质控样品共发放至全省各相关的检验机构中心共189家实验室,其中砷检测结果满意的有137家,满意率为78.7%;汞检测结果满意的有100家,满意率为76.9%。结论:全省检验机构的汞、砷总体检测能力较高,部分实验室技术质量水平有待提高。

关 键 词:    能力验证  Z比分数

Analysis of proficiency testing results of arsenic and mercury in water by laboratories in Zhejiang Province
Li Xue-mei,Hong Zheng-fang,Dong Ming-qiang,Huang Fang. Analysis of proficiency testing results of arsenic and mercury in water by laboratories in Zhejiang Province[J]. Chinses Journal of Health Laboratory Technology, 2008, 18(11)
Authors:Li Xue-mei  Hong Zheng-fang  Dong Ming-qiang  Huang Fang
Abstract:Objective:To enhance the accuracy,reliability and comparability of laboratory testing results,and to improve the general testing capability of laboratories as well as identify the differences among laboratories.Methods:The testing results of arsenic and mercury in water were analyzed by using "Z-score" statistical method which is for international purpose.Results:The quality-control samples were distributed to 189 related laboratories in Zhejiang province.137 laboratories delivered satisfying testing results of arsenic,which accounted for 78.7% of the total.And 100 laboratories delivered satisfying testing results of mercury,which accounted for 76.9%.Conclusion:The general testing capability of arsenic and mercury in laboratories of Zhejiang province is quite good.However,several testing laboratories still have much to do to improve their technical quality.
Keywords:Arsenic  Mercury  Proficiency testing  Z-score
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