CAJ | 학술논문

目的进行尿氟测定结果不确定度的评定,为检测工作提供质量保证.方法根据测量不确定度的评定原理和测定方法来进行评定,并对测定结果进行完整描述.结果方法的合成标准不确定度为2.86％,对于尿氟含量为4.47 mg/L的样品,其扩展不确定度为0.26 mg/L.结论该法的不确定度主要来源于样品的重复性、标准溶液的配制、标准工作曲线线性及离子分析仪等方面.
목적 진행뇨불측정결과불학정도적평정,위검측공작제공질량보증.방법 근거측량불학정도적평정원리화측정방법래진행평정,병대측정결과진행완정묘술.결과 방법적합성표준불학정도위2.86％,대우뇨불함량위4.47 mg/L적양품,기확전불학정도위0.26 mg/L.결론 해법적불학정도주요래원우양품적중복성、표준용액적배제、표준공작곡선선성급리자분석의등방면.
Objective To evaluate the uncertainty of measurement result of urinary fluoride and to provide quality assurance for determinations.Method The investigation was conducted,according with principles and methods for uncertainty evaluation.Results The uncertainty of the combined standard of present method was 2.86 ％.For the sample containing 4.47 mg/L urinary fluoride,the expanded uncertainty was 0.26 mg/L.Conclusion The uncertainty of the present method was mainly from the sample repeatability,the preparation of standard solution,the linearity of the calibration curve and instruments and so on.