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lcl123456789

新虫 (小有名气)

[求助] 关于3DOM负载方面的问题

请问一下
3DOM负载文献里说的这么几句话不是很明白,请大神指教一下;
La1−xMgxFeO3 materials were prepared with analytical grade La(NO3)3·6H2O, Mg(NO3)2, and Fe(NO3)3·9H2O. Stoichiometric quantities of La(NO3)3·6H2O, Mg(NO3)2, and Fe(NO3)3·9H2O were dissolved in 5 mL of ethylene glycol (EG) with slow stirring at room temperature until the nitrate salt dissolved completely (final total metal concentration: 1 M). Then, the EG solution poured into a 25 mL volumetric flask. Methanol (10 mL) and EG were added into achieve the desired concentration (final concentration of methanol being 40% of the volume). Then the PMMA colloidal crystals were poured into the solution and soaked in the solution for 3 h.
文献里说的1M是指什么?还有Methanol (10 mL) and EG were added into achieve the desired concentration (final concentration of methanol being 40% of the volume)这句话,既然甲醇的体积已知为什么还要说按照自己想要的浓度的进行配比,且甲醇的体积分数为40%?
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lan9583

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2楼2018-05-10 17:41:58
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lcl123456789

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引用回帖:
2楼: Originally posted by lan9583 at 2018-05-10 17:41:58
1M 就是一摩尔每升吧

应该是的, 那下一句话怎么解释呢?
3楼2018-05-10 18:43:52
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lan9583

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引用回帖:
3楼: Originally posted by lcl123456789 at 2018-05-10 18:43:52
应该是的, 那下一句话怎么解释呢?...

那我就不太懂了

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4楼2018-05-10 18:45:32
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lcl123456789

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引用回帖:
4楼: Originally posted by lan9583 at 2018-05-10 18:45:32
那我就不太懂了
...

好的 谢谢你
5楼2018-05-10 18:50:11
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