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Count Distribution and Precision in X-Ray Fluorescence Analysis
Published online by Cambridge University Press: 06 March 2019
Abstract
The statistical fluctuations of photon counts arediscussedas a factor limiting the precision of the analytical result. Assuming a Poisson distribution, the theoretical standard deviation of the result can be calculated. While this prediction does not consider causes of variation other than the count statistics, it is useful in developing methods and checking instrument reliability. Practical examples using experimental results are given.
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- Research Article
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- Copyright © International Centre for Diffraction Data 1959
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