食品中纽甜含量的不确定度评定

Uncertainty Evaluation of the Determination of Neotame in Food

依据《检验和校准实验室能力认可准则》(CNAS-CL01:2018),实验室应该具有评定测量不确定度的程序,一个完整的测量结果不仅需要最佳的测量估计值还需要不确定度。为了确保食品添加剂测量结果的准确度和可信度以及满足客户的要求,必须对食品添加剂的不确定度进行评定。本文依据《测量不确定度评定与表示》(JJF 1059.1—2012)和《化学分析中不确定度的评估指南》(CNAS-GL006:2018),对高效液相色谱法测定食品中纽甜的不确定度进行分析。

According to CNAS-CL01:2018,requirements for the evaluation of measurement uncertainty are that the testing laboratory shall have and apply procedures for assessing the uncertainty of measurement,a complete measurement result should include both the best estimate and the uncertainty of the measurement.In order to ensure the accuracy and reliability of the measurement results of food additives and meet the requirements of customers,the uncertainty of food additives must be evaluated.According to JJF 1059.1—2012 and CNAS-GL006:2018,the uncertainty of determination of oxytetracycline in feed was analyzed by HPLC.