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ASTM-E1361:2007 Edition

ASTM-E1361:2007 Edition

$44.96

E1361-02(2007) Standard Guide for Correction of Interelement Effects in X-Ray Spectrometric Analysis

Published By Publication Date Number of Pages
ASTM 2007 12
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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 (2-5).

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 () for descriptions of other commonly used techniques such as standard addition, internal standardization, etc.

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PDF Pages PDF Title
1 Scope
Referenced Documents
Terminology
2 Significance and Use
Description of Interelement Effects
General Comments Concerning Interelement Correction Procedures
FIG. 1
3 Influence Coefficient Correction Procedures
4 TABLE 1
7 First Principle Equations
Computer Programs for Interelement Corrections
8 FIG. 2
FIG. 3
9 Conclusion
Keywords
X1. INFLUENCE COEFFICIENTS
X1.1
TABLE X1.1
10 FIG. X1.1
TABLE X1.2
11 X2. CALCULATION OF THE UNKNOWN SPECIMEN COMPOSITION WHEN THE INFLUENCE (ALPHA) COEFFICIENTS ARE KNOWN
X2.1
X2.2
REFERENCES

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