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ASTM E1361-02(2021)
Standard Guide for Correction of Interelement Effects in X-Ray Spectrometric Analysis
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STANDARD published on 15.3.2021
The information about the standard:
Designation standards: ASTM E1361-02(2021)
Publication date standards: 15.3.2021
SKU: NS-1021939
The number of pages: 12
Approximate weight : 36 g (0.08 lbs)
Country: American technical standard
Category: Technical standards ASTM
The category - similar standards:
Annotation of standard text ASTM E1361-02(2021) :
Keywords:
fundamental parameters, influence coefficients, interelement effects, X-ray fluorescence,, ICS Number Code 71.040.50 (Physicochemical methods of analysis)
Additional information
| Significance and Use | ||
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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 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 1.2?This document is not intended to be a comprehensive treatment of the many different techniques employed to compensate for interelement effects. Consult Refs 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. |
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