Preconcentration of Copper Ion on Modified Magnetic Fe3O4@SiO2 Nanoparticles in some Environmental Samples and its Determination by Electrothermal Atomic Absorption Spectrometry [PDF]
Magnetic silica nanoparticles modified by 3-[2-(2-aminoethylamino) ethylamino] propyl-trimethoxysilane (AAAPTS) and Salicylaldehyde were prepared and used as a new adsorbent for extraction and preconentration of copper ion through magnetic solid-phase ...
M. Naghizadeh +3 more
doaj +1 more source
Combination of particle-induced X-ray emission (PIXE) spectrometry and proton-induced gamma-ray emission (PIGE) spectrometry for analysis of azure color in tile [PDF]
Ion beam analysis (IBA) has been widely used for fast, sensitive, multi-elemental and nondestructive analysis without any sampling, especially for the pigment analysis.
Marjan Ghadiri +1 more
doaj
Research Paper: Passive Spectrometry of X-ray Emission in IR-MPF-100 Plasma Focus Device [PDF]
The plasma focus device produces short and intense pulses of X-rays during its pinch duration. These X-rays are a valuable diagnostic tool for understanding the performance and properties of the device.
Noushin Pishbin +3 more
doaj +1 more source
Synthesis and Characterization of LaNiO3, LaNi(1-x)Fe xO3 andLaNi(1-x)Co xO3 Perovskite Oxides for Catalysis Application [PDF]
Mixed metal oxides with perovskite-type structure show a great potential to be used in catalysis, electrocatalysis and electronic ceramics. Perovskites oxides catalysts with the composition LaNiO3, LaNi(1-x)Fe xO3 and LaNi(1-x)Co xO3 (x = 0.4 and 0.7 ...
Sania Maria de Lima, José Mansur Assaf
doaj +1 more source
The removal of catalyst poisoning compounds from crude oil or heavy oil fractions improves the efficiency of oil refineries and reduces the cost of high temperature corrosion damage during combustion. In this study, the demetallization of crude oil
Cheman Dlshad Yousif +1 more
doaj +1 more source
Environmentally benign copper nanoparticles supported on walnut shell as a highly durable nanocatalyst for the synthesis of propargylamines [PDF]
This study was an attempt to prepare copper nanoparticles and to determine their catalytic activity employing walnut shell (WS) residue as a green support and a reusable material.
Saadati Fariba +2 more
doaj +1 more source
Origins of medieval lead artefacts are hard to establish due to re-smelting and mixing. One can obtain conclusive evidence from ingots that served for bulk trade and originated directly from the mines.
Beata Miazga +4 more
doaj +1 more source
Latest results on Jovian disk X-rays from XMM-Newton [PDF]
We present the results of a spectral study of the soft X-ray emission (0.2–2.5 keV) from low-latitude (‘disk’) regions of Jupiter. The data were obtained during two observing campaigns with XMM-Newton in April and November 2003.
Waite Jr., J. H. +12 more
core +1 more source
Calculation of Fluorescence Intensities in Grazing-Emission X-Ray Fluorescence Spectrometry
The fluorescence intensities in grazing-emission X-ray fluorescence spectrometry were calculated by applying asymptotics to the Fourier integrals resulting from the Helmholtz equation. This approach has led to a straightforward interpretation of the interference of fluorescence radiation from layered materials.
URBACH, H. Paul, BOKX, Pieter K. de
openaire +2 more sources
Quantitative chemical analysis of pickling solutions by x-ray fluorescence spectrometry
A quantitative analytical method of chlorine and iron in hydrochloric pickling solutions by x-ray spectrometry in atmospheric He mode is proposed. This work is concerned with the replacement of the wet chemical analyses of pickling solutions with rapid ...
Na, HG, Min, DJ, Jung, SM, Cho, YM
core +1 more source

