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关注：1
2013-05-23 12:21
求翻译：对同一浓度下的Zn2+连续测定10次，求得相对标准偏差为2.518%，做回收实验，测得回收率在98.60% ~101.35%之间。是什么意思？ 待解决
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- 离问题结束还有
对同一浓度下的Zn2+连续测定10次，求得相对标准偏差为2.518%，做回收实验，测得回收率在98.60% ~101.35%之间。
问题补充： |
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2013-05-23 12:21:38
Continuous Determination of 10 times under the same concentration of Zn2 +, the obtained relative standard deviation of 2.518%, do the recovery experiment, the measured recovery rate of between 98.60% ~ 101.35%.
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2013-05-23 12:23:18
In the same concentration of 2+ consecutive Zn measured 10 times, compared to the standard deviation of a 2.518 % recycling, do experiments, recovery rate measured at 98.60 % to 101.35 %.
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2013-05-23 12:24:58
Determines continuously to under identical density Zn2+ 10 times, obtains the relatively standard deviation is 2.518%, does the recycling experiment, obtains the returns-ratio between 98.60% ~101.35%.
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2013-05-23 12:26:38
Zn2+ determination of 10 times in a row to the same concentration, seeking the relative standard deviation is 2.518%, doing recovery experiments, the measured recovery in between 98.60%~101.35%.
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2013-05-23 12:28:18
正在翻译，请等待...
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