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Fast and Simple Routine Determination of Bromine by XRF in Wet Blood Serum Microsamples Evaluation of Errors

Published online by Cambridge University Press:  06 March 2019

C. Shenberg ,
J. Gilat  and
M. Mantel
C. Shenberg
Affiliation:
Soreq Nuclear Research Center Yavne 70600, Israel
J. Gilat
Affiliation:
Soreq Nuclear Research Center Yavne 70600, Israel
M. Mantel
Affiliation:
Soreq Nuclear Research Center Yavne 70600, Israel
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Abstract

A specific XRF method, developed at the Soreq Nuclear Research Centre, was applied to the determination of bromine in blood. The method is based on excitation with a Mo X-ray tube and detection of the fluorescent Br K X-rays by a Si (Li) detector. Serum microsamples (300 μL) are counted directly, without drying, for 100 sec, The detection limit obtained under these conditions is 0.6 ppm Br, The overall precision of the method was found to be ±3.1%. The different parameters which contribute to the total error of the method were studied, A survey of the bromine concentration in the blood serum of industrial workers exposed to bromine compounds was carried out.

Type
XIV. XRS Applications
Information
Advances in X-Ray Analysis , Volume 35 , Issue B: First Pacific-International Congress on X-ray Analytical Methods (PICXAM). Fortieth Annual Conference on Applications of X-ray Analysis, August 7-16, 1991 , 1991 , pp. 1175 - 1182
Copyright
Copyright © International Centre for Diffraction Data 1991

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