A new equation for wavelength dispersive x-ray fluorescence analysis without standards

Area of Science:

• Analytical Chemistry
• Materials Science
• Physics

Background:

• X-ray fluorescence (XRF) analysis is a crucial technique for elemental composition determination.
• Standardless quantification in XRF simplifies analysis but often faces accuracy challenges.
• Accurate elemental analysis is vital across various scientific and industrial fields.

Purpose of the Study:

• To develop a novel, simplified iteration equation for standardless X-ray fluorescence analysis.
• To enable accurate calculation of elemental concentrations without the need for reference standards.
• To reduce the complexity of XRF quantification by avoiding primary spectrum intensity calculations.

Main Methods:

• Derivation of a new iteration equation for standardless XRF analysis.
• Implementation of an iterative calculation process for elemental concentration determination.
• Experimental validation of the derived method against established chemical analysis techniques.

Main Results:

• The developed iteration equation provides a simpler calculation pathway for standardless XRF.
• Experimental results demonstrate convergence with chemical analysis after 3-4 iterations.
• The influence of specimen configuration on the analysis results was found to be negligible.

Conclusions:

• The novel standardless XRF method offers a simplified and accurate approach to elemental quantification.
• The iterative technique achieves results comparable to traditional chemical analysis.
• This method enhances the practicality and applicability of X-ray fluorescence analysis.