紫外扫描分光光度法测定水中联苯胺的不确定度评定

Evaluation of Uncertainty for the Determination of 4,4'-diaminobiphenyl in Water by UV Scanning Spectrophotometry Method

紫外扫描分光光度法测定水中的联苯胺简单易行。通过该方法分析原理及步骤,找出不确定主要来源。通过标准溶液、标准曲线拟合、仪器示值误差、测量重复性等方面评定不确定度。

The determination of 4,4’-diaminobiphenyl in water by UV scanning spectrophotometry method is simple and feasible.By analyzing the principle and procedure of this method,the main source of uncertainty is found out.The uncertainty is evaluated by standard solution,standard curve fitting,instrument error,measuring repeatability and so on.