Results 21 to 30 of about 7,922 (174)

Optimising Sample Preparation and Calibrations in EDXRF for Quantitative Soil Analysis

open access: yesAgronomy, 2020
Energy-dispersive X-ray fluorescence spectrometry (EDXRF) is a rapid and inexpensive method for soil analysis; however, analytical results are influenced by particle size effects and spectral interferences.
Maame E. T. Croffie   +5 more
doaj   +1 more source

Portable EDXRF and Principal Component Analysis for inorganic element determination and provenance of eye shadows

open access: yesSemina: Ciências Exatas e Tecnológicas, 2019
Nowadays cosmetic products play an important role in the life of almost all people. Men and women devote much time, resources and efforts to cultivate personal hygiene and the best possible look along their lives.
Rafael Molari   +5 more
doaj   +1 more source

Surface and interface study of pulsed-laser-deposited off-stoichiometric NiMnSb thin films on Si(100) substrate [PDF]

open access: yes, 2005
We report a detailed study of surface and interface properties of pulsed-laser deposited NiMnSb films on Si (100) substrate as a function of film thickness.
G. S. Lodha   +12 more
core   +2 more sources

Gold and Silver joining technologies in the Moche Tombs “Señor de Sipán” and “Señora de Cao jewelery [PDF]

open access: yes, 2018
About 200 gold and silver funerary ornaments from the Moche tombs “Señor de Sipán” and “Señora de Cao” were analyzed to determine their metallurgic characteristics. Of particular interest was the question about the gold-silver joining process.
Brunetti, Antonio   +7 more
core   +1 more source

EDXRF analysis of Amazonian Burseraceae oleoresins [PDF]

open access: yesJournal of the Brazilian Chemical Society, 2009
The trees from the Burseraceae family exude a resin widely used for both cosmetics and perfumes and in folk medicine, for the treatment of many diseases. Samples of oleoresin from five species (Protium cf. apiculatum, P. cf. hebetatum, P. cf. heptaphyllum, P.
Rüdiger, André L.   +2 more
openaire   +3 more sources

Tapada da Ajuda (Lisbon, Portugal) bronze age pin [PDF]

open access: yes, 2016
A pin made of a copper-based alloy, found at Tapada da Ajuda (Lisbon, Portugal), a site dated to the beginning of the Late Bronze Age, was analyzed by X-ray fluorescence (XRF) spectroscopy and examined by microscopy.
Cardoso, João Luís   +2 more
core   +1 more source

Development of a method for multielemental determination in water by EDXRF with radioisotopic source of 238Pu.

open access: yesBrazilian Journal of Radiation Sciences, 2019
A method for determination of Cr, Fe, Co, Ni, Cu, Zn, Hg and Pb in waters by Energy Dispersive X Ray Fluorescence (EDXRF) was implemented, using a radioisotopic source of 238Pu.
Camilo Fuentes Serrano   +9 more
doaj   +1 more source

Applying Energy-Dispersive X-Ray Fluorescence Analysis to Detect Tungsten Inclusions in Nuclear Fuel Rod End Plug TIG Welds

open access: yesJournal of Spectroscopy, 2021
This study proposes a new method of detecting tungsten inclusions in nuclear fuel rod upper-end plug welds using energy-dispersive X-ray fluorescence (EDXRF) analysis.
Runqiu Gu   +3 more
doaj   +1 more source

Non-destructive characterization of archeological Cu-based artifacts from the early metallurgy of southern Portugal [PDF]

open access: yes, 2017
In this study, Monte Carlo (MC) simulations combined with energy dispersive X-ray fluorescence (EDXRF) spectroscopy have been used to characterize non-destructively a collection of Cu-based artifacts recovered from two archeological sites in southern ...
Bordalo, Rui   +4 more
core   +4 more sources

Systematic investigation of inter-element effects during EDXRF measurements on mixed oxide powders of aluminium, silicon, and yttrium [PDF]

open access: yesJournal of Chemistry Letters
Inter-element effects may severely affect the accuracy during EDXRF measurements of mixed oxides. Single (individual), binary and ternary oxide mixtures of Al, Si and Y were made with cellulose and the pellets were prepared.
Remya Devi P.S   +3 more
doaj   +1 more source

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