Influence of admixtures and of mixing on precipitation of Mg(OH)2 from nitrate solution

Fellner, Pavel, Smrčková, Eva and Pach, Ladislav Influence of admixtures and of mixing on precipitation of Mg(OH)2 from nitrate solution Acta Chimica Slovaca, Vol.2, No. 2, 2009, 14-20

Document type: Článok z časopisu / Journal Article
Collection: Acta Chimica Slovaca  
 
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Author(s) Fellner, Pavel
Smrčková, Eva
Pach, Ladislav
Title Influence of admixtures and of mixing on precipitation of Mg(OH)2 from nitrate solution
Journal name Acta Chimica Slovaca
Publication date 2009
Year available 2009
Volume number 2
Issue number 2
ISSN 1337-978X
Start page 14
End page 20
Total pages 7
Place of publication Bratislava
Publisher Slovak Technical University
Collection year 2009
Language english
Subject 250000 Chemical Sciences
250200 Inorganic Chemistry
Abstract/Summary Precipitation of Mg(OH)2 from magnesium nitrate solution was studied by means of recording pH of the reacting mixture. Solution of NH4OH was used as the alkalizing agent. The sequence of addition of reactants, rate and time of stirring, and the excess of NH4OH with respect to stoichiometry influence change in pH, and consequently the rate of crystallization and sedimentation of the reaction product, viz. Mg(OH)2. The presence of calcium nitrate up to 10 mass % does not influence remarkably the precipitation process.
Keyword(s) magnesium hydroxide
ammonium nitrate
calcium nitrate
rate of precipitation
 
 
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Created: Fri, 18 Dec 2009, 13:33:52 CET by Iveta Drtilová . Detailed History