Multivariate Statistical Analysis of Spatial and Vertical Distribution of Radiological, Mineralogical and Magnetic Parameters of Beach Sediments from North East Coast of Tamilnadu State, India

Author:

Senthil S.1ORCID,Ramasamy V.2ORCID,Paramasivam K.3ORCID,Suresh G.4ORCID

Affiliation:

1. Department of Physics, Panimalar Engineering College, Poonamallee, Chennai-600123, India

2. Department of Physics, Annamalai University, Annamalai Nagar-608002, India

3. Department of Physics, MRK Institute of Technology, Kattumannarkoil-608301, India

4. Department of Physics, Aarupadai Veedu Institute of Technology, Vinayaka Mission’s Research Foundation, Chennai-603104, India

Abstract

The γ-ray spectroscopic technique has been effectively utilized to know the activity concentrations of 238U, 232Th and 40K in different depths of north-east coast beaches of Tamilnadu state of India. The measured activity concentrations were different while compare from surface to second feet depth. FTIR exhibits the presence of eleven minerals such as quartz, feldspar in different phases, kaolinite, gibbsite, calcite, organic carbon, aragonite, palygorskite and hematite in all feet sediments. Extinction coefficient calculation shows that the amount major minerals is in the order of kaolinite < microcline feldspar < quartz. Different minerals were identified through XRD analysis. Multivariate statistical was also adopted well and the results confirm that the magnetic susceptibility play a major role in controlling the present radioactivity values. The activity concentration of 238U, 232Th and 40K for >125 μm grain sized samples are significantly lowered when compared with the respective values of the bulk samples.

Publisher

Asian Journal of Chemistry

Subject

General Chemistry

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