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Recent Developments in Fluorescent X-Ray Spectrographic-Absorptiometric Analyses of Mineral Systems

Published online by Cambridge University Press:  06 March 2019

Merlyn L. Salmon
Merlyn L. Salmon*
Affiliation:
FLUO-X-SPEC Laboratory, Denver, Colorado
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Abstract

Fluorescent x-ray speorographic studies of mineral systems were begun in the Metallurgy Division of the Denver Research Institute in 1953. These studies were concerned with several techniques but the primary research emphasis was placed on a method involving conjunctive analyses by monochromatic x-ray absorptiometry and fluorescent x-ray spectrography.

Experimental data for mineral systems with wide variations in matrix compositions exhibit departures from simple calibration curves relating intensity and concentration for an element in a series of samples analyzed by simple fluorescent x-ray spectrographic procedures.

Absorptiometric measurements are made with a thin layer of the mineral sample as an absorption filter for the monochromatic x-rays emitted by the element in question. The results of these measurements provide information for improvement of the simple correlation of intensity and concentration by manipulation of the experimental data with various operations based on Beer's law of radiation absorption.

The results of work at the Denver Research Institute indicated the feasibility of the fluorescent x-ray spectrographic-absorptiometric method and the current work is an extension of the study of basic fundamentals, mechanical factors and practical applications of the technique.

Type
Research Article
Information
Advances in X-Ray Analysis , Volume 2: Seventh Annual Conference on Industrial Applications of X-ray Analysis, August 13-15, 1958 , 1958 , pp. 303 - 312
Copyright
Copyright © International Centre for Diffraction Data 1958

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