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Calcium element quantification model using a portable X-ray fluorescence unit [PDF]

open access: yesMethodsX, 2023
A methodology is proposed to achieve an effective quantification of the element Calcium in soil samples, using a portable X-ray Fluorescence (pXRF) equipment.
Claudio H. González-Rojas   +3 more
doaj   +4 more sources

Foliar Elemental Analysis of Brazilian Crops via Portable X-ray Fluorescence Spectrometry [PDF]

open access: yesSensors, 2020
Foliar analysis is very important for the nutritional management of crops and as a supplemental parameter for soil fertilizer recommendation. The elemental composition of plants is traditionally obtained by laboratory-based methods after acid digestion ...
Camila S. Borges   +7 more
doaj   +2 more sources

A Matrix Effect Correction Method for Portable X-ray Fluorescence Data

open access: yesApplied Sciences, 2022
Portable X-ray fluorescence spectrometry (pXRF) is an analytical technique that can be used for rapid and non-destructive analysis in the field. However, the testing accuracy and precision for trace elements are significantly affected by the matrix ...
Jilong Lu   +6 more
doaj   +3 more sources

A Dosimetry Study of Portable X-ray Fluorescence in Vivo Metal Measurements [PDF]

open access: yesHealth Physics, 2019
Abstract Portable x-ray fluorescence devices have grown in popularity for possible metal exposure assessment using in vivo measurements of bone and toenail. These measurements are accompanied by a small radiation dose, which is typically assessed by radiation safety committees to be minimal.
Aaron J, Specht   +5 more
openaire   +3 more sources

Portable X-ray Fluorescence Analysis of Organic Amendments: A Review

open access: yesApplied Sciences, 2022
Portable XRF spectrometry (pXRF) has recently undergone significant technological improvements and is being applied in a wide range of studies. Despite pXRF advantages, this technique has rarely been used to characterize organic amendments and residues ...
Rafael López-Núñez
doaj   +3 more sources

Synchrotron X-ray tomography and spectroscopy in numismatics: disclosing counterfeit practices in medieval silver coins [PDF]

open access: yesJournal of Synchrotron Radiation
This study explores the use of advanced synchrotron radiation (SR)-based imaging and spectroscopic techniques to investigate the distribution and nature of mercury (Hg) in numismatic artifacts, with a particular focus on its role in historical ...
Simona Raneri   +4 more
doaj   +2 more sources

Rapid detection of arsenic, cadmium and lead content in wheat flour by portable high-sensitivity X-ray fluorescence spectroscopy technology

open access: yesZhongguo shipin weisheng zazhi, 2022
ObjectiveA portable high-sensitivity X-ray fluorescence spectrometry method was established to directly and quickly determine the content of arsenic, cadmium and lead in wheat flour.MethodsPart of the sample was put into the sample cup, and then directly
ZHONG Hailin   +8 more
doaj   +1 more source

Portable X‐Ray Fluorescence Spectroscopy as a Tool for Cyclostratigraphy [PDF]

open access: yesGeochemistry, Geophysics, Geosystems, 2019
AbstractCyclostratigraphic studies are used to create relative and high‐resolution time scales for sedimentary successions based on identification of regular cycles in climate proxy data. This method typically requires the construction of long, high‐resolution data sets.
Matthew Saker‐Clark   +2 more
openaire   +2 more sources

Effect of Particle Size on Compost Analysis by Portable X-ray Fluorescence

open access: yesApplied Sciences, 2022
Portable X-ray fluorescence (pXRF) could be more widely used for analyzing organic amendments, because it allows for a fast and low-cost analysis and is easy to use, among other operational advantages. However, the heterogeneity of these materials causes
Rafael López-Núñez   +4 more
doaj   +1 more source

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