Results 1 to 10 of about 36,967 (295)

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

Quick Analysis of Organic Amendments via Portable X-ray Fluorescence Spectrometry. [PDF]

open access: yesInt J Environ Res Public Health, 2019
The determination of heavy metals in soils and organic amendments, such as compost, manure, biofertilizer, and sludge, generally involves the digestion of samples with aqua regia, and the determination of those in the solution using various techniques.
López-Núñez R   +4 more
europepmc   +10 more sources

Portable x-ray fluorescence spectrometer for coating thickness measurement [PDF]

open access: yesReview of Scientific Instruments, 2007
A handheld x-ray spectrometer has been realized and tested. The purpose of the device is to measure the thickness of coated samples in the range of 1–1500nm in an industrial environment. Accuracy of ∼3% has been achieved in this range with a measurement time of 1min.
Carapelle, Alain   +4 more
openaire   +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 portable x-ray fluorescence (pXRF) elemental dataset collected from Cambrian-age sandstone aquifer material, Wisconsin, U.S.A. [PDF]

open access: yesData in Brief, 2022
This article provides a portable x-ray fluorescence (pXRF) elemental dataset from samples collected from a Cambrian Sandstone Aquifer in West-Central Wisconsin, U.S.A.
James J. Zambito, IV   +2 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 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   +3 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 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   +1 more source

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   +1 more source

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