液相色谱法测定果汁中糖精钠的不确定度研究

Determination of Saccharin in Juice of the Uncertainty

建立高效液相色谱法测定果汁中糖精钠的不确定度的分析方法。以方法GB/T 5009.28-2003,建立不确定度的数学模型,系统分析计算不确定度各分量。当糖精钠含量为0.097 g/kg时,不确度为0.05 g/kg(k=2)。充分分析和识别分析过程中的不确定来源,较为全面地评定了高效液相色谱测量果汁中糖精钠的不确定度。

Establish a HPLC method for the determination of saccharin sodium in juice uncertainty analysis.A method GB/T 5009.28-2003,the establishment of a mathematical model of uncertainty,system analysis of all components of uncertainty.When the saccharin content of 0.097 g/kg,the degree of uncertainty as 0.05 g/kg（k=2）.This analysis of the full analysis and identification of sources of uncertainty in the process,a more comprehensive assessment of the performance liquid chromatography measurement uncertainty of saccharin in juice.