Results 301 to 310 of about 262,495 (378)

Atomic Spectrometry Update—Atomic Mass Spectrometry and X-Ray Fluorescence Spectrometry

J. Anal. At. Spectrom., 1995
The large number of papers covered in this year's review emphasizes the strong developments which continue in atomic mass and X-ray fluorescence spectrometries. Although much of the effort is aimed at improving existing technology and methodology, new and innovative instrumentation is also being developed in a number of fields.
Bacon, J.R., Chenery, S.R.N., Ellis, A.T., Fisher, A., McMahon, A.W., Potts, P.J., Williams, J.G.   +6 more
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Hand-held X-ray fluorescence spectrometry

Analytical Methods, 2019
This Technical Brief describes the evolution of hand-held X-ray fluorescence instrumentation designed for inorganic elemental analysis outside the confines of a laboratory, thereby offering the capability for in situ analysis. As well as providing an overview of the instrumentation, it aims to inform both analysts and less-technically aware users how ...
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Atomic Spectrometry Update—Inorganic Mass Spectrometry and X-ray Fluorescence Spectrometry

J. Anal. At. Spectrom., 1988
This year's Update includes an extended mass spectrometry section based on full abstracts and covering fully this extensive area of analysis. The newly introduced instrumentation for Glow discharge MS and the combined MS techniques are particularly notable this year. The ICP-MS section continues to grow in line with the increasing number of instruments
Jeffrey R. Bacon, Andrew T. Ellis, John G. Williams   +2 more
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Matrix Effect Corrections in X-ray Fluorescence Spectrometry

Journal of Chemical Education, 2019
X-ray fluorescence is subject to significant matrix effects, which must be corrected in order to obtain accurate quantitative results.
C. Bowers
semanticscholar   +1 more source

X-ray fluorescence spectrometry of copper intermediates

Talanta, 1976
Iron, magnetite, copper, copper(II) oxide, calcium carbonate, sulphur, silicon dioxide and aluminium oxide as components of copper intermediates (concentrates, slags, mattes, calcines and fluxes) in powdered (300-400 mesh) binary mixtures obey the Lachance-Traill equation, so the coefficients alpha(AX) of interelement effects can easily be determined ...
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A direct and safe method for plutonium determination using total reflection X-ray fluorescence spectrometry

Journal of Analytical Atomic Spectrometry, 2019
A direct, simple and safe micro-analytical method for the determination of plutonium (Pu) using Total Reflection X-ray Fluorescence (TXRF) spectrometry is reported for the first time.
S. Dhara, Kaushik Sanyal, Sumana Paul, N. L. Misra   +3 more
semanticscholar   +1 more source

Progress in laboratory grazing emission x-ray fluorescence spectrometry

X-Ray Spectrometry, 1999
Recently, grazing emission x-ray fluorescence (GEXRF) spectrometry, also referred to as grazing exit spectrometry, attained a special position in the field of XRF. The technique exploits the advantages of the total-reflection phenomenon as is done in the related total-reflection XRF technique.
Claes, Martine, de Bokx, Pieter, Van Grieken, René   +2 more
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X-Ray Fluorescence Spectrometry

2010
The article contains sections titled: 1. Introduction 2. Properties of X Rays 3. Interaction of X Rays with Matter 3.1. Photoelectric Effect 3.2. Scattered Radiation 4. Attenuation of X Rays in Matter 5. Penetration of X Rays 6. Instrumentation 6.1. X-Ray Sources 6.2. X-Ray Detectors 6.3. Geometrical Considerations 6.4.
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Elemental analysis with x-ray fluorescence spectrometry

SPIE Proceedings, 2012
Elemental analysis by means of X-ray fluorescence (XRF) spectrometry is based on the element-specific electromagnetic radiation induced as a consequence of inner-shell ionization. XRF spectrometry is ideal for the direct analysis of solid samples, but can also investigate fluid samples.
Peter Lienemann, Davide Bleiner
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X-Ray Fluorescence: Chemical Characterization of Materials by X-Ray Spectrometry

2022
X-ray fluorescence techniques are widespread since the half of the last century for chemical investigation on rocks, minerals, industrial products, construction materials, precious materials, environmental pollutants, metals, paints, etc. Actually, they can be used to analyse almost every kind of solids and in many cases also liquid or gelatinous ...
ACQUAFREDDA P., HUERTAS F. J.
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