Journal of Radioanalytical and Nuclear Chemistry
Volume/Issue:
Volume 1: Issue 1
Two radiometric methods for the fast determination of calcium in cement raw mix
Authors:
A. Lubecki Academy of Mining and Metallurgy Institute of Nuclear Technique Cracow Poland

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M. Wasilewska Academy of Mining and Metallurgy Institute of Nuclear Technique Cracow Poland

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Pages:
25–37
Online Publication Date:
12 Oct 2006
Publication Date:
17 Jan 1968
Article Category:
Research Article
DOI:
https://doi.org/10.1007/bf02513579
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Abstract  

Fast determination of calcium in cement raw mix is a very important problem from the economic point of view. In order to solve this task, the following two methods are proposed: (i) Non-dispersive X-ray fluorescence analysis (using109Cd as a source of primary radiation); (ii) back-scattering of β-particles (using90Sr+90Y as a source). The influence of the following factors has been studied in both methods: (i) concentration of iron in the matrix; (ii) water content; (iii) grain size of the sample. The influence of the energy of the primary radiation on the slope of a calibration curve has been analyzed in the fluorescence method. In the concentration range of 42–52% CaO, the absolute standard error is 0.17% CaO in the fluorescence analysis, and 0.5% CaO for the method of back-scattering of β-particles. The average time of a determination is about 2 min.

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Cover Journal of Radioanalytical and Nuclear Chemistry
Journal of Radioanalytical and Nuclear Chemistry
Print ISSN:
0236-5731
Online ISSN:
1588-2780

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Journal of Radionalytical and Nuclear Chemistry
Language English
Size A4
Year of
Foundation		 1968
Volumes
per Year		 1
Issues
per Year		 12
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 0236-5731 (Print)
ISSN 1588-2780 (Online)

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