Total Reflection X-Ray Fluorescence Analysis Under Various Experimental Conditions

Bernasconi, Gabriel D.; Dargie, M.; Jaib, M. M.; Tajani, A.

doi:10.1002/(sici)1097-4539(199707)26:4<203::aid-xrs213>3.0.co;2-e

Cited by 9 publications

(2 citation statements)

References 1 publication

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“…The acquisition system used for acquiring the spectra was the Amptek PMCA and each spectrum lasted 1800 seconds. All spectra analysis were performed using the PyMca software package [16] and the AXILQXAS (Analysis of X-ray spectra by iterative least-squares fitting) software package by the International Atomic Energy Agency [17]. The detectors used in this study were:…”

Section: Detection Systemmentioning

confidence: 99%

“…In table 2, the quantification of elements present in the three samples used as case studies are presented. The WinAxil software package v. 4.5.3 by the International Atomic Energy Agency [17] was used for performing the quantification analysis of the samples. In order to minimize matrix effects and to accurately reflect the conditions under which quantification is usually performed, the fundamental parameters package with a known sample to quantify the sample elements have been used.…”

Section: Quantificationmentioning

confidence: 99%

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Performance of three different Si X-ray detectors for portable XRF spectrometers in cultural heritage applications

Guerra¹,

Manso²,

Longelin

et al. 2012

J. Inst.

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In this work, a study of detection systems in portable X-ray fluorescence (PXRF) spectrometry was performed. An assessment of various detectors and their influence on the measurement of trace elements in different bulk materials, from light to heavy matrices, was done. Four reference materials were analyzed: Orchard Leaves (NBS-1571); Bone Meal (NIST-1486); River Sediment (NBS-1645) and Free-Cutting Brass (NBS-1105). Detection limits were calculated for the elements present in the reference materials, quantitative calculations were performed for three known samples and a comparison was made for each detector. Three case studies were also performed in order to appraise the behavior of the detection systems: A paper document from 1909, a potassium alum/calcite mixture and a Portuguese coin.

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Section: Detection Systemmentioning

confidence: 99%

Section: Quantificationmentioning

confidence: 99%

Performance of three different Si X-ray detectors for portable XRF spectrometers in cultural heritage applications

Guerra¹,

Manso²,

Longelin

et al. 2012

J. Inst.

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show abstract

Determination of trace elements in aqueous solutions using the EMMA miniprobe XRF analyzer

Cheburkin¹,

Shotyk²

1999

X-Ray Spectrom.

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Total reflection x‐ray fluorescence spectrometer with parallel primary beam

Korotkikh

2005

X-Ray Spectrometry

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A new type of x-ray optical device with two curved mirrors was tested experimentally for total reflection x-ray fluorescence (TXRF). When focusing optics are used to increase the primary beam intensity at the sample position of TXRF spectrometers, it is always associated with an increase in the angular divergence, which is tolerable to only a limited extent. The possibility of improving the divergence by means of an additional curved mirror was reported in the past. One may hope that this additional mirror will correct some of the adverse characteristics of conventional x-ray sources, such as the angular divergence and the intensity at the sample position.

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Total Reflection X-Ray Fluorescence Analysis Under Various Experimental Conditions

Cited by 9 publications

References 1 publication

Performance of three different Si X-ray detectors for portable XRF spectrometers in cultural heritage applications

Performance of three different Si X-ray detectors for portable XRF spectrometers in cultural heritage applications

Determination of trace elements in aqueous solutions using the EMMA miniprobe XRF analyzer

Total reflection x‐ray fluorescence spectrometer with parallel primary beam

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