Please use this identifier to cite or link to this item:
http://hdl.handle.net/11375/8426
Title: | Coincidence Counting Techniques For The Determination of ²²⁶Ra Concentrations in Water |
Authors: | Lowe, Diane M. |
Advisor: | Prestwich, W. V. |
Department: | Physics |
Keywords: | Physics;Physics |
Publication Date: | Apr-1981 |
Abstract: | <p>Three coincidence counting techniques for the assay of ²²⁶Ra in water samples are evaluated and compared. The techniques are based on the detection of alpha-gamma, beta-gamma, and gamma-gamma coincident radiations. Samples were prepared by co-precipitating ²²⁶Ra with barium sulphate. Details of this chemical procedure are presented in this thesis. The lower limit of detection, sensitivity to sample thickness, and system precision are investigated. Finally, two data analysis techniques, the method of Least Squares and the method of Maximum Likelihood, for determining -ray peak areas as applied to low counting rates, are discussed.</p> |
URI: | http://hdl.handle.net/11375/8426 |
Identifier: | opendissertations/3632 4649 1671460 |
Appears in Collections: | Open Access Dissertations and Theses |
Files in This Item:
File | Size | Format | |
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fulltext.pdf | 2.85 MB | Adobe PDF | View/Open |
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