Table of Contents
Physics Research International
Volume 2011, Article ID 930406, 5 pages
http://dx.doi.org/10.1155/2011/930406
Research Article

Thermally Stimulated Depolarization Current from HCl-Doped Ice

Group of Phoenix, Kangwon Science High School, San 1, Taejang 1 dong, Wonju, Kangwondo 220-121, Republic of Korea

Received 15 March 2011; Revised 19 April 2011; Accepted 20 June 2011

Academic Editor: Lorenzo Pavesi

Copyright © 2011 Yoon Young Choi. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.

Abstract

Thermally stimulated depolarization current (TSDC) technique has been applied to investigate the dielectric properties of the HCl-doped ice. Three TSDC peaks were found from HCl-doped ice as well as ice of pure water. Among three peaks, the and peaks are affected strongly by the concentrations of HCl. We found that the pH numbers are linearly proportioned to the ratios of the areas of the peaks. The relation between (the ratio of the area of peak to the area of peak) and was found to be . This result suggests the possibility of the development of an apparatus to measure the pH number of acid contaminated water. The activation energies correspond to depolarization processes reflected in the , , and peaks that were found to be  meV,  meV, and  meV, respectively.