Estimation of Concentration of K-40 by Gamma Spectroscopy and Atomic Emission Spectroscopy in the Environmental Samples of Northern Kathmandu Valley

Authors

  • P. N. Yadav Central Department of Chemistry, Tribhuvan University, Kirtipur, Kathmandu
  • P. Rajbhandari Central Department of Chemistry, Tribhuvan University, Kirtipur, Kathmandu,
  • K. K. Shrestha Central Department of Chemistry, Tribhuvan University, Kirtipur, Kathmandu

DOI:

https://doi.org/10.3126/jncs.v29i0.9255

Keywords:

Potassium-40, Gamma spectroscopy, Atomic emission spectroscopy, Soil and water samples

Abstract

The concentration of K-40 was estimated by atomic emission spectroscopy (AES) and specific activity by gamma ray spectroscopy using by means of a multichannel analyzer (MCA) in the soil and water samples of northern parts of the Kathmandu valley. AES method was found to be sensitive and rapid for the routine analysis of water samples, however, cannot implement for the analysis of soil samples due to the loss of significant amount of potassium during the extraction process. The specific activity determined by a MCA in water samples ranged from 2.25 Bq/Kg to 17.87 Bq/Kg and for soil samples, from 17.48 Bq/Kg to 412.26 Bq/Kg.

DOI: http://dx.doi.org/10.3126/jncs.v29i0.9255

Journal of Nepal Chemical Society

Vol. 29, 2012

Page: 75-80

Uploaded date: 12/5/2013

 

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Published

2013-12-05

How to Cite

Yadav, P. N., Rajbhandari, P., & Shrestha, K. K. (2013). Estimation of Concentration of K-40 by Gamma Spectroscopy and Atomic Emission Spectroscopy in the Environmental Samples of Northern Kathmandu Valley. Journal of Nepal Chemical Society, 29, 75–80. https://doi.org/10.3126/jncs.v29i0.9255

Issue

Vol. 29 (2012)

Section

Articles

License

© Journal of Nepal Chemical Society