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Turkish Journal of Chemistry

DOI

10.3906/kim-1302-8

Abstract

The gross \alpha and \beta activity concentrations in the thermal waters of Karakaya-Ayaş, İçmece-Ayaş, Beypazarı (Dutluk-Tahtalı), Haymana, and Kızılcahamam spas in Ankara Province were measured by MPC-9604 multi-detector \alpha /\beta counting system. Ranges of activity concentrations found were from 0.09 to 2.58 Bq L^{-1} for gross \alpha and from 0.25 to 2.61 Bq L^{-1} for gross \beta . The ranges of minimum detectable concentrations for gross \alpha (0.05--0.41 Bq L^{-1}) and for gross \beta (0.04--0.29 Bq L^{-1}) were obtained. Gross \alpha and \beta activity concentrations found in samples were compared with the recommended guidelines of the World Health Organization and the Turkish Standards, and literature values. Na, K, Ca, Si, Mn, Ce, Te, Nd, Sm, Cs, W, La, U, and Th metal levels in these thermal ground waters were also determined by using wavelength dispersive X-ray fluorescence spectrometry (WDXRF).

First Page

805

Last Page

811

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