Results 31 to 40 of about 6,817,059 (287)

Portable X-ray fluorescence for the detection of POP-BFRs in waste plastics [PDF]

Science of The Total Environment, 2018
The purpose of this study was to establish the efficacy of portable X-ray fluorescence (XRF) instrumentation as a screening tool for a variety of end of life plastics which may contain excess amounts of brominated flame retardants (BFRs), in compliance with European Union (EU) and United Nations Environment Programme (UNEP) legislative limits (low POP ...
Martin Sharkey, Mohamed Abou-Elwafa Abdallah, Daniel S. Drage, Stuart Harrad, Harald Berresheim   +4 more
openaire   +3 more sources

Energy-dispersive X-ray diffraction mapping on a benchtop X-ray fluorescence system [PDF]

, 2014
A method for energy-dispersive X-ray diffraction mapping is presented, using a conventional low-power benchtop X-ray fluorescence spectrometer, the Seiko Instruments SEA6000VX.
Nyombi, Antony, Lane, David W., Shackel, J.   +2 more
core   +1 more source

Portable X-ray fluorescence spectrometer with an electric battery

BUNSEKI KAGAKU, 2004
A potable X-ray fluorescence spectrometer composed of an electric battery X-ray generator and a silicon drift detector was made. Several kinds of samples, including toxic elements, such as lead and cadmium, were measured in air using this spectrometer. A possibility to analyze these toxic elements is discussed.
Kawai, J, Yamada, T, Fujimura, H
openaire   +2 more sources

Portable X-ray fluorescence of zinc applied to human toenail clippings

Journal of Trace Elements in Medicine and Biology, 2020
Zinc is an essential trace element in humans. Zinc deficiency can result in a range of serious medical conditions which include effects on growth and development, the immune system, the central nervous system, and the gastrointestinal system. Diagnosis of zinc deficiency is often precluded by the lack of a noninvasive and reliable biomarker.
David E.B. Fleming, Samantha L. Crook, Colby T. Evans, Michel N. Nader, Manuel Atia, Jason M.T. Hicks, Ellen Sweeney, Christopher R. McFarlane, Jong Sung Kim, Erin Keltie, Anil Adisesh   +10 more
openaire   +2 more sources

Total reflection x-ray fluorescence analysis - a review

, 2007
Total reflection x-ray fluorescence analysis (TXRF) is a special energy-dispersive x-ray analytical technique extending XRF down to the ultra trace element range.Detection limits of picograms or nanograms per gram levels are reached with x-ray tube ...
Wobrauschek, Peter
core   +4 more sources

Multielement analysis of soils: a proposal involving a portable X-ray fluorescence equipment

Semina: Ciências Exatas e Tecnológicas, 2014
Portable instruments are excellent choices to perform precision agriculture since they allow in situ information about soil composition. In such a way, results are obtained quickly and inputs can be applied promptly, depending on the local soil ...
Juliana Terra, Rafael Ortiz Sanches, Maria Izabel Maretti Silveira Bueno, Fábio Luiz Melquiades   +3 more
doaj   +1 more source

Application of Portable X-ray Fluorescence Spectrometer in the Analysis of Rock Samples

Yankuang ceshi, 2018
Portable X-ray Fluorescence Spectrometer (PXRF) is often used in the laboratory and the field because it is a portable, high-efficiency and non-destructive piece of equipment.
ZHOU Shu-guang, LIAO Shi-bin, ZHOU Ke-fa, WANG Jin-lin, LIU Ying-di   +4 more
doaj   +1 more source

Computed Tomography‐ and Photoacoustic Imaging‐Active Bioresorbable Electrospun Bismuth Nanoparticle‐Infused Small‐Diameter Vascular Grafts

Advanced Healthcare Materials, EarlyView.
A polymeric graft loaded with radiopaque bismuth nanoparticles is expected to undergo gradual polymer resorption and nanoparticle release. This design enables noninvasive, multimodal monitoring of device integrity, patency, and degradation using computed tomography alongside ultrasound and photoacoustic imaging over 12 weeks.
Allan John R. Barcena, Joy Vanessa D. Perez, Marvin R. Bernardino, Dominic Karl M. Bolinas, Kitz Paul D. Marco, Kim Claudette J. Fernandez, Archana Mishra, Erin Marie D. San Valentin, Jossana A. Damasco, Gino Martin Canlas, Natalie Fowlkes, Richard R. Bouchard, Steven Y. Huang, Marites P. Melancon   +13 more
wiley   +1 more source

Portable X-ray fluorescence (pXRF) applications in tropical Soil Science

Ciência e Agrotecnologia
The X-ray fluorescence (XRF) is an analytical technique for determination of elemental composition of different materials. In soils, the XRF has many pedological, environmental and agronomic applications, mainly after the emergence of portable equipments
Bruno Teixeira Ribeiro, Sérgio Henrique Godinho Silva, Elen Alvarenga Silva, Luiz Roberto Guimarães Guilherme   +3 more
doaj   +1 more source

Portable X-ray fluorescence for characterization and detailed mapping of soil parent materials [PDF]

Ciência e Agrotecnologia
Soil parent material information is essential for defining potential soil uses. However, intense tropical weathering makes direct identification of parent material challenging considering their great depths.
Ana Lúcia Cerino Rodrigues, Fernanda Almeida Bócoli, Eduane José de Pádua, Natalia Salazar Baquero, Marco Aurélio Carbone Carneiro, Nilton Curi, Sérgio Henrique Godinho Silva   +6 more
doaj   +2 more sources