Journal
ARABIAN JOURNAL OF CHEMISTRY
Volume 8, Issue 1, Pages 100-104Publisher
ELSEVIER
DOI: 10.1016/j.arabjc.2011.01.014
Keywords
Concentration of ions; Dielectric heating; Dipolar polarization; Ionic conduction; Microwaves
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To understand the interactions of microwaves with dielectric materials and their conversion to thermal energy in aqueous systems, the effect of ionic concentration has been studied. Aqueous solutions of inorganic ions were exposed to microwaves (2.45 GHz) in a modified oven under identical conditions. Difference in solution temperatures with reference to pure (deionized) water was monitored in each case. A significant decrease in the temperature was observed with an increase in the quantity of ions. Experiments were repeated with several inorganic ions varying in size and charge. The information can be helpful in understanding the role of ions during dielectric heating. (C) 2011 Production and hosting by Elsevier B.V. on behalf of King Saud University.
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