用原子荧光法测定水中硒的不确定度

Determination of the Uncertainty of Selenium in water by using Atomic fluorescence spectrometry

本文根据测量不确定度评定与表示理论,用原子荧光法测定水中痕量硒的不确定度,得出该法测定水中痕量硒的扩展不确定度U=1.3μg/L。

This article is according to the theory of Evaluation and Express of Uncertainty in measurement, to determine the uncertainty of Selenium in water by using Atomic fluorescence spectrometry, and concluded the expanded uncertainty of Selenium in water U95 = 1.3μg/L.