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Ranjbari R, Rezvani Jalal M. Atmospheric Pressure Electrical Discharge Plasma Electrolysis of Sodium Chloride Aqueous Solution for Synthesis of Iron (III) Hydroxide. ICOP & ICPET _ INPC _ ICOFS 2018; 24 :41-44
URL: http://opsi.ir/article-1-1573-en.html
URL: http://opsi.ir/article-1-1573-en.html
1- Department of Physics, Malayer University
Abstract: (2285 Views)
In this paper the conventional setup for electrolysis of sodium chloride aqueous solution with iron electrodes and also a cathodic plasma electrolysis setup with iron anode and copper cathode is used to synthesize iron (III) hydroxide. Experiments show that the production rate of the iron hydroxide in plasma electrolysis is very higher than the conventional one. UV-Vis absorption spectroscopy of the final solutions leftover from the two electrolysis setups reveals the point that the concentration of the Fe+3 ion in the solution of plasma electrolysis is far more than that of conventional one and for this reason the production rate of the iron hydroxide is more than it. On the other hand, the absorption spectrum of the conventional electrolysis solution is representative of increase in chlorine ion in it. This increase can be related to the conversion of Fe+3 ions to chloride complexes of the iron and, hence, decrease in their conversion to the iron hydroxide.
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