Mn in wollastonite was determined actually , relative standard derivation(RSD) is 1.5% .

实测硅灰石中锰含量，相对标准偏差（ R S D）为1．5％ ；

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This process is already used for enriching and determining the radical in electroplating solution and industrially polluted water with a relative standard derivation of less than 3 8%.

在此情况下，只有柠檬酸根能得到满意的分离富集。 该方法已用于富集、测定电镀溶液、工业废水中的柠檬酸根，相对标准偏差在3 8%以下。

youdao

This process is already used for enriching and determining the radical in electroplating solution and industrially polluted water with a relative standard derivation of less than 3 8%.

在此情况下，只有柠檬酸根能得到满意的分离富集。 该方法已用于富集、测定电镀溶液、工业废水中的柠檬酸根，相对标准偏差在3 8%以下。

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