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“Analysis of X-ray spectra by iterative least squares (AXIL): new developments”. Vekemans B, Janssens K, Vincze L, Adams F, van Espen P, X-ray spectrometry 23, 278 (1994). http://doi.org/10.1002/XRS.1300230609
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3)
DOI: 10.1002/XRS.1300230609
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“Automated segmentation of μ-XRF image sets”. Vekemans B, Janssens K, Vincze L, Aerts A, Adams F, Hertogen J, X-ray spectrometry 26, 333 (1997)
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Impact Factor: 1.298
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“ID18F: a new micro-X-ray fluorescence end-station at the European Synchrotron Radiation Facility (ESRF): preliminary results”. Somogyi A, Drakopoulos M, Vincze L, Vekemans B, Camerani C, Janssens K, Snigirev A, Adams F, X-ray spectrometry 30, 242 (2001). http://doi.org/10.1002/XRS.494.ABS
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Impact Factor: 1.298
Times cited: 76
DOI: 10.1002/XRS.494.ABS
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“Monte Carlo simulation of conventional and synchrotron energy-dispersive X-ray spectrometers”. Janssens K, Vincze L, van Espen P, Adams F, X-ray spectrometry 22, 234 (1993). http://doi.org/10.1002/XRS.1300220412
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3)
DOI: 10.1002/XRS.1300220412
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“Use of microscopic XRF for non-destructive analysis in art an archaeometry”. Janssens K, Vittiglio G, Deraedt I, Aerts A, Vekemans B, Vincze L, Wei F, de Ryck I, Schalm O, Adams F, Rindby A, Knöchel A, Simionovici AS, Snigirev A, X-ray spectrometry 29, 73 (2000). http://doi.org/10.1002/(SICI)1097-4539(200001/02)29:1<73::AID-XRS416>3.3.CO;2-D
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Impact Factor: 1.298
DOI: 10.1002/(SICI)1097-4539(200001/02)29:1<73::AID-XRS416>3.3.CO;2-D
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“Folding of aerosol loaded filters during X-ray fluorescence analysis”. Van Grieken RE, Adams FC, X-ray spectrometry 5, 61 (1976). http://doi.org/10.1002/XRS.1300050204
Abstract: Folding aerosol loaded filters in two with the loaded side inwards during the X-ray analysis not only reduces possible filter heterogeneity effects and improves sample protection, but also increases the sensitivity and renders filter paper absorption corrections simple and more accurate in many instances. It is shown that folding an aerosol loaded Whatman filter paper during Kα X-rays counting leads to an increased sensitivity for all elements up from calcium, scandium or titanium (depending on the sensitivity definition and on the aerosol load) and for all elements up from phosphorus, sulphur or chlorine in the case of the Nuclepore filter. Although the absorption by the filter, into which the aerosol penetrates to some extent, is always more important in the sandwich than in the usual geometry, the dependence of the absorption correction on the usually unknown average deposition depth is less pronounced. Assuming all the aerosol material to be collected at the very surface of the filter and hence being present in the centre of the sandwich to be analysed, leads to an extremely simple filter paper absorption correction which is less prone to uncertainties than more sophisticated corrections in the usual geometry requiring additional measurements. This is the case for all elements up from potassium on Whatman filters and up from phosphorus on Nuclepore filters.
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1002/XRS.1300050204
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“Capabilities and limitations of Fourier transform laser microprobe mass spectrometry for molecular analysis of solids”. Ignatova VA, van Vaeck L, Gijbels R, Adams F, Vacuum 69, 307 (2002). http://doi.org/10.1016/S0042-207X(02)00350-0
Abstract: Fourier transform laser microprobe mass spectrometry (FT LMMS) has been developed for the molecular analysis of both organic and inorganic components at the surface of microobjects with the ultimate specificity of high-mass resolution. These capabilities are needed in numerous applications of practical material analysis, such as tracing back anomalies in microobjects. The purpose of this paper is to address representative example from industrial trouble shooting, in which organic and inorganic analytes in a single microparticle have been identified unambiguously. This motivates the research to extend the methodology towards quantification. This paper deals with the fundamental aspect of information depth, specifically for inorganic molecular adduct ions. Finally, data will show the quantitative capabilities of FT LMMS. A suitable methodology for the preparation of reference specimens has allowed the empirical calibration of the response as a function of the local concentration to be achieved.
Keywords: A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT)
Impact Factor: 1.53
Times cited: 4
DOI: 10.1016/S0042-207X(02)00350-0
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“The elemental composition of airborne particulate matter in the Atacama desert, Chile”. Rojas CM, Figueroa L, Janssens KH, Van Espen PE, Adams FC, Van Grieken RE, The science of the total environment 91, 251 (1990). http://doi.org/10.1016/0048-9697(90)90302-B
Abstract: Air particulate samples were collected at Chapiquiña near Arica (Chile) with a six-stage cascade impactor for about 17-day periods during a 31 month interval. Sixteen elements were determined by energy dispersive X-ray fluorescence analysis, and the elemental concentrations were subjected to principal factor analysis. The variability with time of the coarse particles was described by two factors both related to soil dispersion, whereas the fine particle variations could be explained by a third factor related to marine influence. Enrichment factors were compared with those obtained in other remote continental areas, in particular those of air particulate matter sampled at Chacaltaya, Bolivia. Results point to a negligible anthropogenic influence.
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1016/0048-9697(90)90302-B
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“Lead particles in an urban atmosphere : an individual particle approach”. Van Borman W, Wouters L, Van Grieken R, Adams F, The science of the total environment 90, 55 (1990). http://doi.org/10.1016/0048-9697(90)90185-W
Abstract: In air particulate matter, sampled at a suburban site near the city of Antwerp, Belgium, more than 1500 individual Pb-containing aerosol particles with projected diameters between 0.2 and 15 μm were analyzed by automated electron probe X-ray micro analysis (EPXMA) for 26 elements and morphological features. Laser microprobe mass analysis (LAMMA) was used to detect elements with Z < 11, particularly ammonium compounds. The Pb-containing particles were classified into five main classes: Pb-sulfates, Pb-halides, soil related Pb, Pb associated with medium atomic number elements and Pb associated with high atomic number elements. Each class was divided into several distinct particle types, of which the abundance (in number and mass %), the mean projected particle diameter, and the chemical composition were determined. Auto exhaust products are responsible for Pb-sulfates and Pb-halides, making up respectively 66.7 and 27.8% by mass of the Pb-containing particles. Ammonium sulfate coatings were found to be present on nearly all Pb particles. The observations were correlated with daily concentrations of Pb and Br, obtained by particle induced X-ray emission analysis (PIXE).
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1016/0048-9697(90)90185-W
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“Interpretation of cappilary generated spatial and angular distribution of X-rays: theoretical modeling and experimental verification using the European Synchrotron Radiation Facility Optical Beamline”. Vincze L, Janssens K, Adams F, Engström P, Rindby A, The review of scientific instruments 69, 3494 (1998). http://doi.org/10.1063/1.1149127
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Impact Factor: 1.515
DOI: 10.1063/1.1149127
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“Classification of mineral particles by nonlinear mapping of electron microprobe energy-dispersive X-ray spectra”. Treiger B, Bondarenko I, van Espen P, Van Grieken R, Adams F, The analyst 119, 971 (1994). http://doi.org/10.1039/AN9941900971
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3)
DOI: 10.1039/AN9941900971
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“A general Monte-Carlo simulation of energy-dispersive X-ray fluorescence spectrometers : 1 : unpolarized radiation, homogenious samples”. Vincze L, Janssens K, Adams F, Spectrochimica acta: part B : atomic spectroscopy 48, 553 (1993). http://doi.org/10.1016/0584-8547(93)80060-8
Abstract: A general Monte Carlo program for the simulation of X-ray fluorescence (XRF) spectrometers is presented. The global layout of the program is discussed and the way in which variance reduction techniques have been employed to improve the efficiency of the code is described. For the case of polychromatic excitation in a direct excitation energy-dispersive (ED) XRF instrument, experimentally collected ED-XRF spectra are compared with simulated spectral distributions. Applications of the software in the field of quantitative analysis and thickness estimation of samples of intermediate thickness illustrate the potential of the method.
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1016/0584-8547(93)80060-8
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“Interpretation and use of inter-element correlation graphs obtained by scanning X-ray fluorescence micro-beam spectrometry from individual particles: part 1: theory”. Somogyi A, Janssens K, Vincze L, Vekemans B, Rindby A, Adams F, Spectrochimica acta: part B : atomic spectroscopy 55, 75 (2000). http://doi.org/10.1016/S0584-8547(99)00172-X
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Impact Factor: 3.241
DOI: 10.1016/S0584-8547(99)00172-X
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“Interpretation and use of inter-element correlation graphs obtained by scanning X-ray fluorescence micro-beam spectrometry from individual particles: part 2: application”. Somogyi A, Janssens K, Vincze L, Vekemans B, Rindby A, Adams F, Spectrochimica acta: part B : atomic spectroscopy 55, 1039 (2000). http://doi.org/10.1016/S0584-8547(00)00220-2
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Impact Factor: 3.241
DOI: 10.1016/S0584-8547(00)00220-2
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“Localised and non-destructive analysis of metallic artefacts from ancient Egypt by means of a compact μ-XRF instrument”. Vittiglio G, Janssens K, Adams F, Oost A, Spectrochimica acta: part B : atomic spectroscopy 54, 1697 (1999). http://doi.org/10.1016/S0584-8547(99)00100-7
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Impact Factor: 3.241
DOI: 10.1016/S0584-8547(99)00100-7
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“A micro XRF spectrometer based on rotating anode generator and capillary optics”. Janssens K, Vekemans B, Vincze L, Adams F, Rindby A, Spectrochimica acta: part B : atomic spectroscopy 51, 1661 (1996)
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Monte Carlo simulation of X-ray fluorescence spectra: part 4: photon scattering at high X-ray energies”. Vincze L, Janssens K, Vekemans B, Adams F, Spectrochimica acta: part B : atomic spectroscopy , 1711 (1999). http://doi.org/10.1016/S0584-8547(99)00094-4
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Impact Factor: 3.241
DOI: 10.1016/S0584-8547(99)00094-4
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“Application of combined micro-proton-induced X-ray emission and micro-synchrotron radiation X-ray fluorescence techniques for the characterization of impact materials around Barringer Meteor Crater”. Uzonyi I, Szöör G, Vekemans B, Vincze L, Rozsa P, Szabo G, Somogyi A, Adams F, Kiss ÁZ, Spectrochimica acta: part B : atomic spectroscopy 59, 1717 (2004). http://doi.org/10.1016/J.SAB.2004.05.030
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1016/J.SAB.2004.05.030
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“Analysis of individual microscopic particles by means of synchrotron radiation induced X-ray micro fluorescence”. Janssens K, Adams F, Rivers ML, Jones KW, Proceedings 27th MAS (1992)
Keywords: P3 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“X-ray fluorescence microtomography”. Chukalina M, Simionovici AS, Snigirev A, Drakopoulos M, Snigireva I, Adams F, Janssens K, Poverhnost 3, 40 (2001)
Keywords: A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“A chemical investigation of altered jade art objects”. Aerts A, Janssens K, Adams F, Orientations , 79 (1995)
Keywords: A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Effects of beamline components (undulators, monochromator, focusing devices) on the beam intensity at ID18F (ESRF)”. Somogyi A, Drakopoulos M, Vekemans B, Vincze L, Simionovici AS, Adams F, Nuclear instruments and methods: B 199, 559 (2003). http://doi.org/10.1016/S0168-583X(02)01535-5
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1016/S0168-583X(02)01535-5
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“Quantitative X-ray fluorescence analysis at the ESRF ID18F microprobe”. Vekemans B, Vincze L, Somogyi A, Drakopoulos M, Kempenaers L, Simionovici AS, Adams F, Nuclear instruments and methods: B 199, 396 (2003). http://doi.org/10.1016/S0168-583X(02)01396-4
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1016/S0168-583X(02)01396-4
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“Molecular information in static SIMS for the speciation of inorganic compounds”. van Ham R, Adriaens A, van Vaeck L, Gijbels R, Adams F, Nuclear instruments and methods in physics research: B: beam interactions with materials and atoms 161/163, 245 (2000). http://doi.org/10.1016/S0168-583X(99)00750-8
Keywords: A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT)
Impact Factor: 1.109
Times cited: 19
DOI: 10.1016/S0168-583X(99)00750-8
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“Characterization of impact materials around Barringer meteor crater by micro-PIXE nd micro-SRXRF techniques”. Uzonyi I, Szöör G, Rozsa P, Vekemans B, Vincze L, Adams F, Drakopoulos M, Somogyi A, Kiss ÁZ, Nuclear instruments and methods in physics research: B: beam interactions with materials and atoms 219/220, 555 (2004). http://doi.org/10.1016/J.NIMB.2004.01.119
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1016/J.NIMB.2004.01.119
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“Accurate evaluation of \mu-PIXE and \mu-XRF spectral data through iterative least squares fitting”. Janssens K, Vekemans B, Adams F, van Espen P, Mutsaers P, Nuclear instruments and methods in physics research: B: beam interactions with materials and atoms
T2 –, 7th International Conference on Particle Induced X-ray Emission and Its Analytical Applications, MAY 26-30, 1995, Abano Terme, Italy 109, 179 (1996). http://doi.org/10.1016/0168-583X(95)01211-7
Abstract: The integration of the nonlinear least squares X-ray spectrum evaluation progam AXIL. into a mu-PIXE and a mu-XRF setup is discussed. The use of the software when procesing data sets derived from biological and geological samples is described.
Keywords: A1 Journal article; Engineering sciences. Technology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Chemometrics (Mitac 3)
DOI: 10.1016/0168-583X(95)01211-7
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“High energy X-ray microscopy for characterisation of fuel particles”. Salbu B, Krekling T, Lind OC, Oughton DH, Drakopoulos M, Simionovici AS, Snigireva I, Snigirev A, Weitkamp T, Adams F, Janssens K, Kashparov VA, Nuclear instruments and methods in physics research : A: accelerators, spectrometers, detectors and associated equipment 467, 1249 (2001). http://doi.org/10.1016/S0168-9002(01)00641-6
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Impact Factor: 1.362
DOI: 10.1016/S0168-9002(01)00641-6
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“Prediction of the optical characteristics and analytical qualities of an X-ray fluorescence microprobe at the European Synchrotron Radiation Facility (Grenoble)”. van Langevelde F, Janssens KH, Adams FC, Vis RD, Nuclear instruments and methods in physics research : A: accelerators, spectrometers, detectors and associated equipment 317, 383 (1992). http://doi.org/10.1016/0168-9002(92)90632-E
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1016/0168-9002(92)90632-E
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“Microscopic synchroton radiation induced X-ray fluorescence analysis”. Janssens K, Vincze L, Aerts A, Vekemans B, Adams F, Jones K, Knöchel A, Mikrochimica acta: supplementum , 87 (1996)
Keywords: A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“A mass spectrometric study of the dissolution behavior of sanidine”. Adriaens A, Van 't dack L, Adams F, Gijbels R, Microchimica acta 120, 139 (1995). http://doi.org/10.1007/BF01244427
Keywords: A1 Journal article; Plasma Lab for Applications in Sustainability and Medicine – Antwerp (PLASMANT)
Impact Factor: 3.741
Times cited: 1
DOI: 10.1007/BF01244427
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