Results 11 to 20 of about 7,349 (250)

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

Predictions of Cu, Zn, and Cd Concentrations in Soil Using Portable X-Ray Fluorescence Measurements [PDF]

open access: yesSensors, 2020
Portable X-ray fluorescence (PXRF) measurements on 1520 soil samples were used to create national prediction models for copper (Cu), zinc (Zn), and cadmium (Cd) concentrations in agricultural soil.
Karl Adler   +4 more
doaj   +2 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
openaire   +4 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

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

Portable X-ray Fluorescence Analysis of Water: Thin Film and Water Thickness Considerations

open access: yesEQA, 2021
Water is requisite for life and essential for many industries. Increasingly, global water supplies include inorganic contaminants leading to millions of deaths annually.
Julia Kagiliery   +4 more
doaj   +1 more source

Portable grazing exit X-ray fluorescence system using a low-power X-ray tube

open access: yesBrazilian Journal of Radiation Sciences, 2019
In this work was developed a portable system of grazing exit X-ray fluorescence (geometric 90° - 0°) that can be applied in several areas science and technology. GE-XRF portable system is formed by a mini X-ray tube of low power (anode of Au) and a SiPIN
Ramon Silva dos Santos   +3 more
doaj   +1 more source

Multi-Analytical Approach for Identifying Asbestos Minerals In Situ

open access: yesGeosciences, 2018
An innovative and, as yet, untested approach is to analyze serpentinite and metabasite rocks containing asbestos using a portable multi-analytical device, which combines portable digital microscopy (p-DM), portable X-ray Fluorescence (p-XRF) and portable
Andrea Bloise, Domenico Miriello
doaj   +1 more source

Approches archéométriques non destructives sur les engobes des sigillées africaines

open access: yesAntiquités Africaines, 2021
This article presents the preliminary results of analyses by two non-destructive, portable and relatively economical methods in terms of investment/measurement time, on African Red Slip Ware: colorimetry and portable X-ray fluorescence.
Rémi Rêve   +2 more
doaj   +1 more source

An Assessment of Hand-Held XRF Analyser Performance for the Characterisation of Aluminium Scrap

open access: yesMaterials Proceedings, 2023
The characterisation of aluminium scrap plays a crucial role in its recycling, and hand-held X-ray fluorescence (XRF) analysers offer a portable and efficient solution for on-site analysis.
Angeliki Ntourntoureka   +2 more
doaj   +1 more source

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