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[求助]
日间精密度
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在某文章中看到这样写到：Intra-day precision was examined by analyzing the standard solution within 1 day, and inter-day precision was determined for 3 independent days. Both assays were determined by performing three different concentration levels (high, medium and low) of the reference . The relative standard deviation (R.S.D.) was taken as a measure of repeatability. 我想问，若是按照低中高三个浓度来做日间精密度具体该如何进行？ 是每天三个浓度，每个浓度三份一天9个数据，连续做三天，再计算各个浓度下的RSD吗？ 是用供试品还是对照来做？ |
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