A Rapid Determination Method of 40K Concentration in the Soil

Wei Wei Lu; Hui Guo Yue; Jin Li; Yan Xia Zhang

doi:10.4028/www.scientific.net/AMR.989-994.1352

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 989-994A Rapid Determination Method of 40K Concentration...

A Rapid Determination Method of ⁴⁰K Concentration in the Soil

Abstract:

The pressed powder sample was determined by Epsilon 5 high-energy polarized energy dispersive X-ray fluorescence (EDXRF) spectrometer. The correlation coefficient of the standard curve method is 0.991 0. The precision is 2.98% and the relative deviation of the measurement standard samples is up to 6.40%, which showed that the precision and accuracy of the method were also good. Simultaneous measurement of seven soil samples with this method and γ-spectrometer were carried, the results of two analytical methods was compared using a paired t-test by SPSS program, which showed that there was no significant difference in the two sets of data. The results predicated that EDXRF could be a potential simple method for analyzing ⁴⁰K in soil samples.

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Periodical:

Advanced Materials Research (Volumes 989-994)

Pages:

1352-1355

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.989-994.1352

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Online since:

July 2014

Authors:

Wei Wei Lu, Hui Guo Yue, Jin Li*, Yan Xia Zhang

Keywords:

⁴⁰k, Fluorescence Spectrometry, Radioactive Concentration

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