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“Analiza pierwiastkowa zabytkowych obiektów szklanych”. Wagner B, Nowak A, Bulska E, Kunicki-Goldfinger J, Schalm O, Janssens K, Nauka i Zabytki , 71 (2008)
Keywords: A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Analyses of petrified wood by electron, X-ray and optical microprobes”. Kuczumov A, Vekemans B, Schalm O, Dorriné, W, Chevallier P, Dillmann P, Ro C-U, Janssens K, Van Grieken R, Journal of analytical atomic spectroscopy 14, 435 (1999). http://doi.org/10.1039/A806748A
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1039/A806748A
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“Analysis of façon-de-Venise glass originating from Central and Western Europe”. Šmit Ž, Janssens K, Schalm O, Kos M page 165 (2005).
Keywords: H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Analysis of the composition of glass objects from Qumran, Israel and the comparison with other Roman glass from western Europe”. Aerts A, Janssens K, Velde B, Adams F, Wouters H page 113 (2000).
Keywords: H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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Janssens K, Degryse P, Cosyns P, Caen J, Van 't dack L (2009) Annales of the 17th Congress of the International Association for the History of Glass (Antwerp, Belgium, 2006). 704 p
Keywords: ME2 Book as editor or co-editor; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Applications in art and archaeology”. Janssens K, Adams F page 290 (2000).
Keywords: H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Art 2002 : 7th International Conference on Non-destructive Testing and Microanalysisfor the Diagnostics and Conservation of the Cultural and Environmental Heritage, 2-6 June 2002, Congress Centre Elzenveld, Antwerp, Belgium”. Van Grieken R, Janssens K, Van 't dack L, Meersman G page 780 p. (2002).
Keywords: ME3 Book as editor; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Artificial orpiment, a new pigment in Rembrandt's palette”. van Loon A, Noble P, Krekeler A, van der Snickt G, Janssens K, Abe Y, Nakai I, Dik J, Heritage science 5, 26 (2017). http://doi.org/10.1186/S40494-017-0138-1
Abstract: This paper reports on how the application of macro X-ray fluorescence (MA-XRF) imaging, in combination with the re-examination of existing paint cross-sections, has led to the discovery of a new pigment in Rembrandt's palette: artificial orpiment. In the NWO Science4Arts 'ReVisRembrandt' project, novel chemical imaging techniques are being developed and applied to the study of Rembrandt's late paintings in order to help resolve outstanding questions and to gain a better understanding of his late enigmatic painting technique. One of the selected case studies is the Portrait of a Couple as Isaac and Rebecca, known as 'The Jewish Bride', dated c. 1665 and on view in the Rijksmuseum. During the re-installation of the Rijksmuseum in 2013, the picture was scanned using the Bruker M6 Jetstream MAXRF scanner. The resulting elemental distribution maps made it possible to distinguish many features in the painting, such as bone black remains of the original hat (P, Ca maps), and the now discolored smalt-rich background (Co, Ni, As, K maps). The arsenic (As) map also revealed areas of high-intensity in Isaac's sleeve and Rebecca's dress where it could be established that it was not related with the pigment smalt that also contains arsenic. This pointed to the presence of a yellow or orange arsenic-containing pigment, such as realgar or orpiment that is not associated with the artist's palette. Subsequent examination of existing paint cross-sections from these locations taken by Karin Groen in the 1990s identified isolated, almost perfectly round particles of arsenic sulfide. The round shape corresponds with published findings on a purified form of artificial orpiment glass obtained by dry processing, a sublimation reaction. In bright field, the particles characteristically exhibit a dark cross in the middle caused by internal light reflections. The results of additional non-invasive techniques (portable XRD and portable Raman) are discussed, as well as the implications of this finding and how it fits with Rembrandt's late experimental painting technique.
Keywords: A1 Journal article; Art; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Times cited: 6
DOI: 10.1186/S40494-017-0138-1
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“Assessing the origin and fate of Cr, Ni, Cu, Zn, Pb, and V in an industrial polluted soil by combined micro-spectroscopic techniques and bulk extraction methods”. Terzano R, Spagnuolo M, Vekemans B, de Nolf W, Janssens K, Falkenberg G, Fiore S, Ruggiero P (2008).
Keywords: H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Assessing the origin and fate of CR, Ni, Cu, Zn, Ph, and V in industrial polluted soil by combined microspectroscopic techniques and bulk extraction methods”. Terzano R, Spagnuolo M, Vekemans B, de Nolf W, Janssens K, Falkenberg G, Ruggiero P, Environmental science &, technology 41, 6762 (2007). http://doi.org/10.1021/ES070260H
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Times cited: 61
DOI: 10.1021/ES070260H
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“Black glass vessels and jewellery in Belgium : production, context analysis, chronology and use”. Cosyns P, Janssens K, Vanderlinden V, Schalm O, (2005)
Keywords: P3 Proceeding; Engineering sciences. Technology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“A brief history of 50 years of ICXOM”. Janssens K, , 1 (2010)
Abstract: The ICXOM series of meetings began in 1956 and for over 50 years have been conferences devoted to the topic of “X-ray microanalysis”, both for those interested in developing instrumentation and methods of analysis and for scientists mainly interested in using X-ray micro-analysers for investigations of an applied nature. This contribution surveys the ICXOM series origins, its development and trends over the years.
Keywords: P1 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“The browning of stained glass windows : characterization of Mn-corrosion bodies and evaluation of cleaning methods”. Cagno S, Nuyts G, De Vis K, Caen J, Van Mol W, Bongaers E, Pauwels B, Janssens K, (2011)
Keywords: P3 Proceeding; Engineering sciences. Technology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Characterization of 18th century Portuguese glass from Real Fábrica de Vidros de Coina”. Lopes F, Lima A, Pires de Matos A, Custódio J, Cagno S, Schalm O, Janssens K, Journal of Archaeological Science: Reports 14, 137 (2017). http://doi.org/10.1016/J.JASREP.2017.05.020
Abstract: This work reports the first systematic chemical characterization of Portuguese 18th century glassware. 28 selected glass fragments, recovered from an archaeological excavation carried out in the site where King D. João V of Portugal established an important glass manufacture, Real Fábrica de Vidros de Coina (Coina Royal Glass Factory), were studied. This factory operated from 1719 until 1747, the year in which the factory was transferred to Marinha Grande. The fragments were analysed by micro-energy dispersive X-ray fluorescence (micro-EDXRF), using a portable spectrometer ArtTAX, and scanning electron microscopy (SEM-EDX). The analytical data showed that a large variety of glass types was manufactured in that factory, namely soda-lime glass, mixed-alkali glass, high lime-low alkali glass, potash glass and lead glass. In general, the composition of the glass varies according to the function of the objects. It was demonstrated that micro-EDXRF can be an important tool to characterize museum glass objects when only in situ non-invasive analytical methods are allowed.
Keywords: A1 Journal article; Engineering sciences. Technology; Art; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Antwerp Cultural Heritage Sciences (ARCHES)
Times cited: 3
DOI: 10.1016/J.JASREP.2017.05.020
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“Characterization of carcinogenic Ni-rich dust particles by scanning micro-XRF/XRD at BL L”. de Nolf W, Janssens K, Rickers K (2005).
Keywords: H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Characterization of Yenisey River U-particles using a combination of μ-XRF, μ-XRD and U-LIII μ-XANES”. Lind OC, Claussen-Kjerre L, de Nolf W, Falkenberg G, Jaroszewicz J, Janssens K, Salbu B page 1279 (2008).
Keywords: H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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Schalm O, Caen J, Janssens K (2007) Chemical composition of 19th century window glass originating from stianed glass windows located in Belgium. 169–178
Keywords: P2 Proceeding; Engineering sciences. Technology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“A chemical investigation of altered Chinese jade art objects”. Aerts A, Janssens K, Adams F page 170 (1997).
Keywords: H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Chemische en morfologische karakterisatie van de grissailles van Capronnier met behulp van EPXMA”. Schalm O, Janssens K, Caen J, Adams F, (1999)
Keywords: P3 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Combined Micro- and Macro scale X-ray powder diffraction mapping of degraded Orpiment paint in a 17th century still life painting by Martinus Nellius”. Simoen J, De Meyer S, Vanmeert F, De Keyser N, Avranovich E, van der Snickt G, Van Loon A, Keune K, Janssens K, Heritage science 7, 83 (2019). http://doi.org/10.1186/S40494-019-0324-4
Abstract: The spontaneous chemical alteration of artists' pigment materials may be caused by several degradation processes. Some of these are well known while others are still in need of more detailed investigation and documentation. These changes often become apparent as color modifications, either caused by a change in the oxidation state in the original material or the formation of degradation products or salts, via simple or more complex, multistep reactions. Arsenic-based pigments such as orpiment (As2S3) or realgar (alpha-As4S4) are prone to such alterations and are often described as easily oxidizing upon exposure to light. Macroscopic X-ray powder diffraction (MA-XRPD) imaging on a sub area of a still life painting by the 17th century Dutch painter Martinus Nellius was employed in combination with microscopic (mu-) XRPD imaging of a paint cross section taken in the area imaged by MA-XRPD. In this way, the in situ formation of secondary metal arsenate and sulfate species and their migration through the paint layer stack they originate from could be visualized. In the areas originally painted with orpiment, it could be shown that several secondary minerals such as schultenite (PbHAsO4), mimetite (Pb-5(AsO4)(3)Cl), palmierite (K2Pb(SO4)(2)) and syngenite (K2Ca(SO4)(2)center dot H2O) have formed. Closer inspection of the cross-sectioned paint layer stack with mu-XRPD illustrates that the arsenate minerals schultenite and mimetite have precipitated at the interface between the orpiment layer and the layer below that is rich in lead white, i.e. close to the depth of formation of the arsenate ions. The sulfate palmierite has mostly precipitated at the surface and upper layers of the painting.
Keywords: A1 Journal article; Art; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Antwerp Cultural Heritage Sciences (ARCHES)
Times cited: 2
DOI: 10.1186/S40494-019-0324-4
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“Combined micro-XRF/XRPD tomography on historical and modern paint multilayer samples at Beamline L”. de Nolf W, Jaroszewicz J, van der Snickt G, Janssens K, Farnell S, Klaassen L page 1633 (2008).
Keywords: H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Combined use of μ-XRF and μ-XRD for characterization of radioactive particle clusters released during the Chernobyl reactor incident”. Jaroszewicz J, de Nolf W, Janssens K, Claussen-Kjerre L, Lind OC, Salbu B, Falkenberg G (2007).
Keywords: H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Combined use of μ-XRF and μ-XRD to determine the heterogeneity, the chemical and phase composition of Ti-B-C ceramics prepared by the pulse plasma sintering (PPS) method”. Jaroszewicz J, de Nolf W, Janssens K, Michalski A, Falkenberg G (2007).
Keywords: H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“A compact μ-XRF spectrometer for (in-situ) analyses of cultural heritage and forensic materials”. Vittiglio G, Bichlmeier S, Klinger P, Heckel J, Fuzhong W, Vincze L, Janssens K, Engström P, Rindby A, Dietrich K, Jembrih-Simbürger D, Schreiner M, Denis D, Lakdar A, Lamotte A, Nuclear instruments and methods in physics research B 213, 693 (2004)
Keywords: A3 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Comparison with other microanalytical techniques”. Janssens K page 211 (2000).
Keywords: H3 Book chapter; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Complementary analysis of historical glass by scanning electron microscopy with energy dispersive X-ray spectroscopy and laser ablation inductiveley coupled plasma mass spectrometry”. Wagner B, Nowak A, Bulska E, Kunicki-Goldfinger J, Schalm O, Janssens K, schalm, Microchimica acta 162, 415 (2008). http://doi.org/10.1007/S00604-007-0835-7
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
Times cited: 28
DOI: 10.1007/S00604-007-0835-7
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“Composition and corrosion forms on archaeological and non-archaeological historic printing letters from the Moravian Museum, Memorial of Kralice Bible, the Czech Republic and the Museum Plantin-Moretus Antwerp, Belgium”. Storme P, Selucká, A, Rapouch K, Mazík M, Vanmeert F, Janssens K, Van de Voorde L, Vekemans B, Vincze L, Caen J, De Wael K, , 59 (2015)
Keywords: P1 Proceeding; Engineering sciences. Technology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation); Antwerp Cultural Heritage Sciences (ARCHES)
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“Composition and state of alteration of 18th century glass from the Cistercian nunnery of Clairefontaine (Belgium)”. Herremans D, Cagno S, Vincke A, de Clercq W, Janssens K, Proceedings of the Society of Photo-optical Instrumentation Engineers
T2 –, Conference on Integrated Approaches to the Study of Historical Glass, (IASHG), APR 16-17, 2012, Brussels, BELGIUM , 842206 (2012). http://doi.org/10.1117/12.975247
Abstract: An extended set of 18th century glass vessels was analyzed by means of SEM-EDX (major and minor element composition) The fragmented archaeological objects were recovered from a latrine belonging to the early 18th century building phase of the nunnery of Clairefontaine, near Arlon (B). On the basis of typology and decoration, the major part of the vessels could be dated around the middle of the 18th century. Variety in color and weathering of the glass suggest differences in glassmaking recipes and in the composition and origin of raw materials. The results of the analysis show how two main compositional groups constitute about 90% of the analyzed glass set, and these are constituted by potash glass (transparent beakers) and high lime low alkali glass (green bottles). Next to these, a few potash-lime and soda glasses are also found. The type of alteration has also a clear relation with the original glass composition.
Keywords: P1 Proceeding; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
DOI: 10.1117/12.975247
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“Composition of 13-17th century glass from non-figurative windows in secular buildings excavated in Belgium”. Schalm O, Wouters H, Janssens K, (2005)
Keywords: P3 Proceeding; Engineering sciences. Technology; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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“Composition of 15-17th century archaeological glass vessels excavated in Antwerp, Belgium”. Janssens KH, Deraedt I, Schalm O, Veeckman J, Mikrochimica acta: supplementum 15, 253 (1998)
Keywords: A1 Journal article; AXES (Antwerp X-ray Analysis, Electrochemistry and Speciation)
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