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Investigation of Gamma Radiation on Hydroxyapatite Synthesized from Chicken Eggshell by ESR Spectroscopy

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Abstract:

The purpose of this work was investigated the properties and characteristic of gamma radiation on hydroxyapatite which synthesized from biowaste chicken eggshell via the chemical precipitation method. The hydroxyapatite from biowaste chicken eggshell was gamma irradiated in rage 10 Gy to 1 kGy and analyzed by electron spin resonance (ESR). The optimize parameter set ESR read out of Hydroxyapatite were such as microwave power and modulate amplitude corresponded 63.34 mW and 2 mT, respectively. The ESR signal based on the measurement of the concentration of radiation induced radicals CO2- molecular ion also formed in hydroxyapatite. The relative of ESR intensity and dose response was linear. These experiments indicated that the hydroxyapatite from biowaste chicken eggshell could be used good dosimeter in rage 20 to 100 Gy.

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Periodical:

Advanced Materials Research (Volume 1125)

Pages:

416-420

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1125.416

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Online since:

October 2015

Authors:

Kanokwan Boonsook, Weeranuch Kaewwiset, Ekachai Hoonnivathana, Pichet Limsuwan, Kittisakchai Naemchanthara*

Keywords:

Chicken Eggshell, ESR Spectroscopy, Gamma Radiation, Hydroxyapatite

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© 2015 Trans Tech Publications Ltd. All Rights Reserved

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