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Some Statistical Aspects of X-Ray Fluorescence Spectrometry
Volume 9, Number 4 (Nov. 1955) Page 173-177
Horton, William S.
A simple derivation of the probability distribution function for the time to accumulate a preset number of counts is outlined. The result is applied to X-ray fluorescence spectrometry in order to estimate the expected precision of the various measures of quantity of an element. Examples are given to show how the results may be used as a practical guide in this field of analytical chemistry.