The precision of this method is better than the zone sampling method. The relative standard deviation (RSD) is less than 3 %.

方法的精密度优于区域采样法，相对标准偏差小于3%。

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Relative standard deviation (RSD) of the EDTA titrimetric method is 2.82%, and the analytical results are basically consistent with those obtained according to the DHF83B methodology.

EDTA滴定法分析结果的相对标准偏差rsd为2.82%，与DHF83 - B多元素快速分析仪法比较，其结果基本一致。

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The relative standard deviation (RSD) of this method is less than 5 % and this method has been used to determine trace amounts of n...

该方法用于聚氨酯中微量游离异氰酸酯基的测定，相对标准偏差小于5%，具有简便、快速、准确、可靠的特点。

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