Nuclear Science and Techniques

《核技术》(英文版) ISSN 1001-8042 CN 31-1559/TL     2019 Impact factor 1.556

Nuclear Science and Techniques ›› 2007, Vol. 18 ›› Issue (4): 204 doi: 10.1016/S1001-8042(07)60047-5

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Instrumental neutron activation analysis of beachrock samples of South East Coast of Tamilnadu, India

R.RAVISANKAR1* P.ESWARAN2 N.P.SESHADERSSAN3 Bramaji RAO3   

  1. 1Department of Physics, Sri Siva Subramania Nadar College of Engineering, Kalvakkam, Chennai – 603110, Tamilnadu, India;
    2 Department of Physics, SMK Fomra Institute of Technology, Thaiyur, Chennai- 603 103, Tamilnadu, India;
    3 Nuclear Chemistry Section, Chemistry Groups, Indira Gandhi Centre for Atomic Research (IGCAR), Kalpakkam-603 102, Tamilnadu, India
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R.RAVISANKAR P.ESWARAN N.P.SESHADERSSAN Bramaji RAO. Instrumental neutron activation analysis of beachrock samples of South East Coast of Tamilnadu, India.Nuclear Science and Techniques, 2007, 18(4): 204     doi: 10.1016/S1001-8042(07)60047-5
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Abstract: Element profiles of some beach rock samples collected from South East Coast of Tamilnadu, India have been determined using single comparator method of INAA. The geo-chemical behavior of the elements in the region is discussed. The irradiations were done at thermal neutron flux of ~ 1011 cm-2•s-1 at 20kW power using Kalpakkam Mini Reactor (KAMINI), IGCAR, Kalpakkam, Tamilnadu, India. Around 19 elements have been determined from 15 samples by high-resolution gamma spectrometry. The accuracy and precision were evaluated by assaying the irradiated Standard Reference Material (SRM 1646a Estuarine sediment) and were found to be in good agreement with certified values.

Key words: Beach rock, Analysis, Instrumental neutron activation analysis, KAMANI Reactor