Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/4883
Title: Humidity sensing properties of chitosan by using quartz crystal microbalance method
Authors: Havare, A. Kemal
İlgü, Hüseyin
Okur, Salih
Şanlı Mohamed, Gülşah
Keywords: Chitosan
Adsorption
Desorption
Langmuir model
Humidity sensing
Issue Date: Mar-2012
Publisher: American Scientific Publishers
Source: Havare, A. K., İlgü, H., Okur, S., and Şanlı Mohamed, G. (2012). Humidity sensing properties of chitosan by using quartz crystal microbalance method. Sensor Letters, 10(3-4), 906-910. doi:10.1166/sl.2012.2585
Abstract: Humidity adsorption kinetics of chitosan films was investigated by quartz crystal microbalance (QCM) technique. In this study, chitosan was synthesized from chitin by deacetylation process in 2.0% (v/v) acetic acid solution and then coated on QCM to measure humidity response. The Langmuir model was used to determine the adsorption rates and Gibbs free energy for various relative humidity between 11% and 94%. The average Gibbs free energy for adsorption was obtained as 12.93 kJ/mol. Our reproducible experimental results show that chitosan films are very sensitive to relative humidity changes at room temperature. Copyright © 2012 American Scientific Publishers All rights reserved.
URI: http://doi.org/10.1166/sl.2012.2585
http://hdl.handle.net/11147/4883
ISSN: 1546-198X
Appears in Collections:Chemistry / Kimya
Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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