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Significance and Use
5.1 X-ray fluorescence spectrometry can provide an accurate and precise determination of metallic and many non-metallic elements in a wide variety of solid and liquid materials. This guide covers the information that should be included in an X-ray spectrometric analytical method and provides direction to the analyst for determining the optimum conditions needed to achieve acceptable accuracy.
5.2 The accuracy of a determination is a function of the calibration scheme, the sample preparation, and the sample homogeneity. Close attention to all aspects of these areas is necessary to achieve acceptable results.
5.3 All concepts discussed in this guide are explored in detail in a number of published texts and in the scientific literature.
1.1 This guide provides guidelines for developing and describing analytical procedures using a wavelength dispersive X-ray spectrometer for elemental analysis of solid metals, ores, and related materials. Material forms discussed herein include solids, powders, and solid forms prepared by chemical and physical processes such as borate fusion and pressing of briquettes.
1.2 Liquids are not discussed in this guide because they are much less frequently encountered in metals and mining laboratories. However, aqueous liquids can be processed by borate fusion to create solids specimens, and X-ray spectrometers can be equipped to handle liquids directly.
1.3 Some provisions of this guide may be applicable to the use of an energy dispersive X-ray spectrometer.
1.4 The values stated in SI units are to be regarded as standard. No other units of measurement are included in this standard.
1.5 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.
2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.
E135 Terminology Relating to Analytical Chemistry for Metals, Ores, and Related Materials
E1257 Guide for Evaluating Grinding Materials Used for Surface Preparation in Spectrochemical Analysis
E1329 Practice for Verification and Use of Control Charts in Spectrochemical Analysis
E1361 Guide for Correction of Interelement Effects in X-Ray Spectrometric Analysis
E1601 Practice for Conducting an Interlaboratory Study to Evaluate the Performance of an Analytical Method
E2857 Guide for Validating Analytical Methods
ICS Number Code 71.040.50 (Physicochemical methods of analysis)
UNSPSC Code 41115403(Spectrometers)
ASTM E1621-13, Standard Guide for Elemental Analysis by Wavelength Dispersive X-Ray Fluorescence Spectrometry, ASTM International, West Conshohocken, PA, 2013, www.astm.orgBack to Top