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Issue 54, 2014
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Gaseous ammonia: superior to aqua ammonia in the precipitation of Mg(OH)2 under mild conditions

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Abstract

Aqua ammonia (AA) is frequently used to precipitate various metal hydroxide or oxide particles. Here, we replace AA with gaseous ammonia (GA) to precipitate Mg(OH)2 particles in MgCl2 aqueous solution under mild conditions. The results show that GA can give a higher consistency in the growth of Mg(OH)2 particles although both AA and GA essentially produce Mg(OH)2 by the reaction of Mg2+ with OH. This work provides results that suggest using ammonia as a precipitant.

Graphical abstract: Gaseous ammonia: superior to aqua ammonia in the precipitation of Mg(OH)2 under mild conditions

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Publication details

The article was received on 04 Apr 2014, accepted on 04 Jun 2014 and first published on 05 Jun 2014


Article type: Communication
DOI: 10.1039/C4RA02998D
Citation: RSC Adv., 2014,4, 28822-28825
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    Gaseous ammonia: superior to aqua ammonia in the precipitation of Mg(OH)2 under mild conditions

    H. Guo, H. Hu, J. Xie, P. Chang, J. Yao and Y. Liu, RSC Adv., 2014, 4, 28822
    DOI: 10.1039/C4RA02998D

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