CAJ | 학술논문

目的：对实验室能力验证样品菌落总数进行不确定度评定。方法能力验证菌落总数依据 GB 4789.2-2010《食品安全国家标准食品微生物学检验菌落总数测定》以及能力验证计划参试指导书来进行测定和结果判断,再根据JJF 1059.1-2012《测量不确定度评定与表示》的规定,对测定过程中引入的不确定度分量进行评定,然后采用合成的方法来计算和评定菌落总数的不确定度。结果菌落总数测定结果合成不确定度为0.05042,扩展不确定度为0.1008(以对数计)。结论本研究建立的方法可以对能力验证样品的菌落总数进行不确定度评定,此方法适合于类似检测条件下菌落总数不确定度的评定。
목적：대실험실능력험증양품균락총수진행불학정도평정。방법능력험증균락총수의거 GB 4789.2-2010《식품안전국가표준식품미생물학검험균락총수측정》이급능력험증계화삼시지도서래진행측정화결과판단,재근거JJF 1059.1-2012《측량불학정도평정여표시》적규정,대측정과정중인입적불학정도분량진행평정,연후채용합성적방법래계산화평정균락총수적불학정도。결과균락총수측정결과합성불학정도위0.05042,확전불학정도위0.1008(이대수계)。결론본연구건립적방법가이대능력험증양품적균락총수진행불학정도평정,차방법괄합우유사검측조건하균락총수불학정도적평정。
ABSTRACT:Objective To evaluate the uncertainty of aerobic plate count by proficiency testing. Methods Proficiency testing of aerobic plate count was conducted under the direction of GB 4789.2-2010 National food safety standard microbiological examination in food:Aerobic plate count and CFAPA-024 Reference book for microbiological ability verification plan in food. Then, the uncertainty components introduced in the experiment were determined according to JJF1059.1-2012 Evaluation and expression of uncertainty in measurements. Finally, synthetic method was used to calculate and assess the uncertainty of aerobic plate count. Results The combined uncertainty of aerobic plate count was 0.05042, the expanded uncertainty was U(1og)=0.1008. Conclusion The method established in this study can be used in the uncertainty evaluation of aerobic plate count under similar circumstances.