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Microwave dielectric characterization of tumeric.


Hassan, Jumiah and Khalid, Kaida and Abbas, Zulkifly and Aziz, Azila (2011) Microwave dielectric characterization of tumeric. Solid State Science and Technology, 19 (1). pp. 206-211. ISSN 0128-7389


Dielectric properties of turmeric were measured at frequencies 0.2 to 20 GHz and temperature 26°C using the HP-85070B open-ended coaxial line probe coupled with a computer controlled Automated Network Analyzer (ANA). For all samples the dielectric constant decrease with increasing frequency. There is a sudden drop in the dielectric loss factor at 0.2 GHz due to ionic losses. At 1.5 GHz, the loss factor increases gradually to a constant value. The penetration depth is dependent on the evaporated moisture in the low frequency region.

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Additional Metadata

Item Type: Article
Divisions: Faculty of Science
Keywords: Dielectric properties; Tumeric.
Depositing User: Nur Farahin Ramli
Date Deposited: 15 Jul 2013 07:55
Last Modified: 14 Sep 2015 03:25
URI: http://psasir.upm.edu.my/id/eprint/25206
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