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Abstract
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Article Information:
Characterization of Minerals and Naturally Occurring Radionuclides in River Sediments
V. Ramasamy, G. Suresh, V. Meenakshisundaram and V. Gajendran
Corresponding Author: V.Ramasamy
Submitted: 2009 July, 25
Accepted: 2009 August, 01
Published: |
Abstract:
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The minerals such as quartz, feldspar in different structure, kaolinite, calcite, gibbsite, montmorillonite, smectite, organic carbon and polygorskite are identified in 40 locations of Ponnaiyar river by
Fourier Transform Infrared (FTIR) spectroscopic technique. The relative distribution of major minerals such
as quartz, feldspar (orthoclase and Microcline) and kaolinite are determined by calculating extinction
co-efficient. The naturally occurring radionuclides (238U, 232Th and 40K) and associated absorbed dose rate are
determined by Gamma ray spectroscopic technique. The determined activity concentrations and average
absorbed dose rate of all sites are fall within the typical world and Indian average values although some extreme
values are determined. Correlation analysis is carried out for distributions of quartz, feldspar and kaolinite and
naturally occurring radionuclides, with associated absorbed dose rate.
Key words: FTIR, minerals, radioactivity, river sediments, gamma ray spectroscopic technique, ,
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Cite this Reference:
V. Ramasamy, G. Suresh, V. Meenakshisundaram and V. Gajendran, . Characterization of Minerals and Naturally Occurring Radionuclides in River Sediments. Research Journal of Applied Sciences, Engineering and Technology, (3): Page No: 140-144.
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ISSN (Online): 2040-7467
ISSN (Print): 2040-7459 |
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