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lsy568568

新虫 (小有名气)

[求助] 求助:如何计算标准不确定度和扩展不确定度 要详细解释 急用 谢谢!

看了一篇英文文献,关于不确定度的计算没看明白,特请教高手。文献表述:An estimate of the relative standard uncertainty associated with results from
measurement of high concentrations of alkaloids (RSU)
was gained by combining RSD for each alkaloid with the
uncertainty associated with the purity of standards and the
uncertainty associated with the mean recovery (R) of each
alkaloid in each product. 问题:RSU的公式是什么?谢谢!!
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musicmelody

银虫 (小有名气)

【答案】应助回帖

感谢参与,应助指数 +1
不确定度的计算可以参考国内标准JJF 1059.1-2012 《测量不确定度评定与表示》
2楼2013-07-15 12:25:27
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