室内空气中氨气检测实验室间比对结果分析  

Analysis on inter-laboratory comparison results for determination of ammonia in air of public places

作　　者：赵素娟[1] 于慧芳[1] 穆效群[1] 

机构地区：[1]北京市疾病预防控制中心,100013

出　　处：《首都公共卫生》2013年第4期185-187,共3页Capital Journal of Public Health

摘　　要：目的通过实验室间比对了解空气检测实验室的检测能力,对比对结果进行分析比较,进一步加强实验室对空气现场采样与实验室分析质量控制。方法依据《公共场所空气中氨测定方法》进行采样与测定,采用稳健统计方法对测定结果进行统计、分析和判定。结果 77.3%的数据为满意结果,可疑、不满意结果分别占4.5%和18.2%。结论通过实验室间比对,实验室能够及时发现检测分析中存在的问题,查找异常结果出现的原因并做有针对性的整改,保证出具报告数据的准确性。Objective To investigate the proficiency of labs in air quality testing through inter-laboratory comparison and results evaluation,and to enhance quality control capability of sampling and testing.Methods Methods for determination of ammonia in air of public places were used for samples collecting and detecting.Test results were analyzed by Robust Statistic method.Results Among all records detected form labs,the satisfied,uncertain and unsatisfied results accounted for 77.3%,4.5% and 18.2% respectively.Conclusion Agencies could timely recognize the problems in the process of testing and find out the cause of uncertain and unsatisfied results through inter-laboratory comparison,which also provided assurance for issuing accurate data in their reports.

关 键 词：实验室间比对 氨气 公共场所空气 

分 类 号：R126.8[医药卫生—环境卫生学]