饮用水中铁检测能力验证中的质量控制

Quality Control of the Proficiency Testing for Iron Determination in Drinking Water

目的介绍饮用水中铁检测能力验证中的质量控制。方法运用火焰原子吸收分光光度法测定饮用水中铁能力验证考核样品,从仪器设备、实验人员、样品的保存及使用、仪器参数的优化、标准溶液的核查、预实验、样品分析和数据处理等方面对实验进行了质量控制。结果饮用水中铁检测能力验证结果均为满意。结论饮用水中铁检测能力活动中采取的质量控制措施能够有效保证检测结果的准确性。

Objective To introduce the quality control of the proficiency testing for iron determination in drinking water.Methods Flame atomic absorption spectrophotometry was used to determine iron in drinking water samples for proficiency testing,and quality control was conducted for this experiment from the aspects of equipment,laboratory personnel,sample storage and use,optimization of instrument parameters,verification of standard solution,preliminary experiment,sample analysis,and data processing.Results The proficiency testing for iron determination in drinking water achieved satisfactory result.Conclusion The quality control measures adopted in the proficiency testing for iron determination in drinking water can effectively ensure the accuracy of determination result.