SEDL / STP / STP157-EB / STP44078S

An Absolute Method of X-ray Fluorescence Analysis Applied to Stainless Steels

Noakes, Gordon E
Research Physicist, Applied Physics Laboratory, Ford Motor Co., Dearborn, Mich.

Pages: 6    Published: Jan 1954

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Abstract

Analytical methods employing X-ray fluorescent radiation have been restricted in general to either a narrow range of element concentrations in multiple component alloys (1, 2, 3)² or to binary alloys (4). It has been a supposed requirement that the linear absorption coefficient of the matrix be kept constant for a particular element before an analysis using a calibration curve could be made. These restrictions have imposed limitations on the analysis of alloys to such an extent that the approximate percentage composition must be known for a sample before quantitative analysis can be made by X-ray fluorescence.