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ASTM E1361-02(2026)

Standard Guide for Correction of Interelement Effects in X-Ray Spectrometric Analysis
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ASTM E1361-02(2026)

Standard Guide for Correction of Interelement Effects in X-Ray Spectrometric Analysis

PUBLISH DATE 2026
PAGES 12
ASTM E1361-02(2026)

1.1 This guide is an introduction to mathematical procedures for correction of interelement (matrix) effects in quantitative X-ray spectrometric analysis.

1.1.1 The procedures described correct only for the interelement effect(s) arising from a homogeneous chemical composition of the specimen. Effects related to either particle size, or mineralogical or metallurgical phases in a specimen are not treated.

1.1.2 These procedures apply to both wavelength and energy-dispersive X-ray spectrometry where the specimen is considered to be infinitely thick, flat, and homogeneous with respect to the depth of penetration of the exciting X-rays (1).

1.2 This document is not intended to be a comprehensive treatment of the many different techniques employed to compensate for interelement effects. Consult Refs (2-5) for descriptions of other commonly used techniques such as:

  • standard addition,
  • internal standardization, etc.

1.3 This international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for the Development of International Standards, Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade (TBT) Committee.

4.1 Accuracy in quantitative X-ray spectrometric analysis depends upon adequate accounting for interelement effects either through sample preparation or through mathematical correction procedures, or both.

This guide is intended to serve as an introduction to users of X-ray fluorescence correction methods. For this reason, only selected mathematical models for correcting interelement effects are presented.

The reader is referred to several texts for a more comprehensive treatment of the subject (2-7).

SDO ASTM: ASTM International
Document Number E1361
Publication Date April 1, 2026
Language en - English
Page Count 12
Revision Level 02(2026)
Supercedes
Committee E01.20
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