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杜依然15

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4楼: Originally posted by futao1987n at 2011-09-14 18:50:17
哦,你是样品测定是时候忽高忽低啊,我刚翻了实验记录本,我的吸光度都控制在0.036到0.915之间,如果测定的忽高忽低的话,我想可能有这么几个原因:1、样品的体系和制备标曲的溶液体系不一样,我的是乙醇,还有各种 ...

请问一下,标准的范围是不是在0.2到0.8之间对整个测量比较好,实验结果比较准确?求解答
VVV
21楼2015-10-09 21:45:09
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