Results 21 to 30 of about 250,706 (394)

Monitoring of Heavy Metals By Energy Dispersive X-Ray Fluorescence Spectrometry [PDF]

open access: yes, 1986
Dieser Beitrag ist mit Zustimmung des Rechteinhabers aufgrund einer (DFG geförderten) Allianz- bzw. Nationallizenz frei zugänglich.This publication is with permission of the rights owner freely accessible due to an Alliance licence and a national licence
Lorber, Karl E.
core   +1 more source

Application of X-ray Diffraction, X-ray Fluorescence Spectrometry and Electron Microprobe in the Identification of Basalt

open access: yesYankuang ceshi, 2015
Basalt identification is usually performed by microscope, so the appraisal results are easily influenced by personal professional level and subjective factors.
XU Nai-cen, SHEN Jia-lin, ZHANG Jing
doaj   +1 more source

Application Skills on Determination of Geological Sample by X-ray Fluorescence Spectrometry

open access: yesYankuang ceshi, 2015
X-ray Fluorescence Spectrometry (XRF) has such advantages as simple sample preparation, green environmental protection and the simultaneous determination of multiple elements and is widely used in the exploration geochemistry analysis field.
CHEN Jing   +4 more
doaj   +1 more source

On the origin of Goa Cathedral former altarpiece: Material and technical assessment to the work of Garcia Fernandes, Portuguese painter from 16th century Lisbon workshop [PDF]

open access: yes, 2018
Goa Cathedral former altarpiece is one of the oldest set of paintings in India. The seven remaining paintings from the first altarpiece of Goa Cathedral, nowadays in the sacristy, are attributed by some art historians to Master Garcia Fernandes (act ...
Antunes, Vanessa   +8 more
core   +1 more source

The origin and chronology of medieval silver coins based on the analysis of chemical composition

open access: yesNukleonika, 2015
Medieval Central Europe coins - the Saxon coins, also called as the Otto and Adelheid denarii, as well as the Polish ones, the Władysław Herman and Bolesław Śmiały coins - were examined to determine their provenance and dating.
Pańczyk Ewa   +5 more
doaj   +1 more source

Steps toward accurate large-area analyses of Genesis solar wind samples: evaluation of surface cleaning methods using total reflection X-ray fluorescence spectrometry [PDF]

open access: yes, 2011
Total reflection X-ray fluorescence spectrometry (TXRF) was used to analyze residual surface contamination on Genesis solar wind samples and to evaluate different cleaning methods.
Burnett, Donald S.   +3 more
core   +1 more source

Evaluation of Data Quality on the Detection of Heavy Metals in Soils by Atomic Absorption Spectrometry or Atomic Fluorescence Spectrometry and X-ray Fluorescence Spectrometry in Ecological Environment Monitoring

open access: yesYankuang ceshi, 2019
BACKGROUND In current ecological environmental monitoring, the standard methods used to determine the total contents of inorganic elements, such as heavy metals in soil, include atomic absorption spectrometry (AAS), atomic fluorescence spectrometry (AFS)
TIAN Zhi-ren   +5 more
doaj   +1 more source

A (not so) dangerous method: pXRF vs. EPMA-WDS analyses of copper-based artefacts [PDF]

open access: yes, 2014
Analysis of metal objects with portable and handheld X-ray fluorescence spectrometry has become increasingly popular in recent years. Here, methodological concerns that apply to non-destructive, surface examination with XRF instruments of ancient metal ...
Orfanou, V, Rehren, T
core   +1 more source

α-Fe2O3 nanoparticles/vermiculite clay material: Structural, optical and photocatalytic properties [PDF]

open access: yes, 2019
Photocatalysis is increasingly becoming a center of interest due to its wide use in environmental remediation. Hematite (-Fe2O3) is one promising candidate for photocatalytic applications.
Kočí, Kamila   +4 more
core   +1 more source

Study of Araucaria angustifolia nuts by Gamma Spectrometry and X-Ray Fluorescence

open access: yesRevista de la Sociedad Científica del Paraguay, 2019
The seed of Araucaria angustifolia is largely produced and consumed in Parana state, Brazil. It has an estimated annual consumption of approximately 0.167 kg per capita. The samples of seeds were acquired in 8 different commercial points of Londrina city
Edher Zacarías Herrera   +2 more
doaj   +1 more source

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