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Institute of Analytical Chemistry and Food Chemistry
ACFC TU Graz
 
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Journal Papers

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    2012

  • Luca Flamigni, Joachim Koch, Helmar Wiltsche, Robert Brogioli, Sabrina Gschwind and Detlef Günther
    Visualization, velocimetry, and mass spectrometric analysis of engineered and laser-produced particles passing through inductively coupled plasma sources
    Journal of analytical atomic spectrometry, 2012, , n/a - n/a, doi:10.1039/C2JA10317F

    • 2011

  • Robert Brogioli, Bodo Hattendorf, Joachim Koch, Helmar Wiltsche, Luca Flamigni and Detlef Günther
    Online electrothermal heating of laser-generated aerosols: effects on aerosol particle size and signal intensities in ICPMS
    Analytical and bioanalytical chemistry, 2011, 399 6, 2201 - 2209, doi:10.1007/s00216-010-4410-4

  • Helmar Wiltsche and Detlef Günther
    Capabilities of femtosecond laser ablation ICP-MS for the major, minor, and trace element analysis of high alloyed steels and super alloys
    Analytical and bioanalytical chemistry, 2011, 399 6, 2167 - 2174, doi:10.1007/s00216-010-4605-8

  • Helmar Wiltsche, Karl Prattes and Günter Knapp
    A novel approach for an automated liquid/liquid extraction system - principle and application for the determination of several trace contaminants in highly alloyed steels and base alloys
    Analytical and bioanalytical chemistry, 2011, 400 , 2329 - 2338

    • 2010

  • Günter Knapp, DP Moraes , JSF Pereira and LO Diehl
    Evaluation of sample preparation methods for elastomer digestion for further halogens determination
    Analytical and bioanalytical chemistry, 2010, 397 2, 563 - 570

  • Günter Knapp
    Iodine determination in food by inductively coupled plasma mass spectrometry after digestion by microwave-induced combustion
    Analytical and bioanalytical chemistry, 2010, 398 , 1125 - 1131

    • 2009

  • Günter Knapp, JSF Pereira, PA Mello and FA Duarte
    Feasibility of Microwave-Induced Combustion for Digestion of Crude Oil Vacuum Distillation Residue for Chlorine Determination
    Energy & fuels , 2009, 23 , 6015 - 6019

  • Helmar Wiltsche, Karl Prattes, Michael Zischka and Günter Knapp
    Estimation of boron isotope ratios using high resolution continuum source atomic absorption spectrometry
    Spectrochimica acta / B, 2009, 64B , 341 - 346, doi:10.1016/j.sab.2009.03.008

  • EA Vtorushina, EA Saprykin and Günter Knapp
    Use of oxidation and reduction vapor generation for lowering the detection limits of iodine in biological samples by inductively coupled plasma atomic emission spectrometry
    Journal of analytical chemistry, 2009, 64 , 129 - 135, doi:10.1134/S1061934809020063

  • PD Mello, JSF Pereira, DP Moraes, V Dressler, Erico Flores and Günter Knapp
    Nickel, vanadium and sulfur determination by inductively coupled plasma optical emission spectrometry in crude oil distillation residues after microwave-induced combustion
    Journal of analytical atomic spectrometry, 2009, 24 , 911 - 916, doi:10.1039/b904194j

  • EA Vtorushina, Al Saprykin and Günter Knapp
    Use of oxidation and reduction vapor generation for lowering the detection limits of iodine in biological samples by inductively coupled plasma atomic emission spectrometry
    Journal of analytical chemistry, 2009, vol 64 , 765 - 765, doi:10.1134/S1061934809070193

  • FA Duarte, JSF Pereira, J Barin, M. Mesko, E Flores and Günter Knapp
    Seafood digestion by microwave-induced combustion for total arsenic determination by atomic spectrometry techniques with hydride generation
    Journal of analytical atomic spectrometry, 2009, 24 , 224 - 227, doi:10.1039/b810952d

  • F. Atchison, B. Blau, A. Bollhalder, Manfred Daum, P. Fierlinger, P. Geltenbort, Gabriele Hampel, M. Kasprzak, K. Kirch, S. Köchli, Bernhard Kuczewski, M. Locher, M. Meier, Susanne Ochse, A. Pichlmaier, Christian Plonka-Spehr, R. Reiser, J. Ulrich, X. Wang, Norbert Wiehl, O. Zimmer and G. Zsigmond
    Transmission of very slow neutrons through material foils and its influence on the design of ultra-cold neutron sources
    Nuclear instruments & methods in physics research , 2009, , n/a - n/a

  • Günter Knapp, JSF Pereira, PA Mello and DP Moraes
    Chlorine and sulfur determination in extra-heavy crude oil by inductively coupled plasma optical emission spectrometry after microwave-induced combustion
    Spectrochimica acta / B, 2009, 6 Vol. 64, 554 - 558

    • 2008

  • Helmar Wiltsche, I. B. Brenner, Karl Prattes and Günter Knapp
    Characterization of a multimode sample introduction system (MSIS) for multielement analysis of trace elements in high alloy steels and nickel alloys using axially viewed hydride generation ICP-AES
    Journal of analytical atomic spectrometry, 2008, 23 , 1253 - 1262, doi:10.1039/b803943g

  • E Flores, M Mesko, D Moraes, J Pereira, P Mello, J Barin and Günter Knapp
    Determination of halogens in coal after digestion using the microwave-induced combustion technique
    Analytical chemistry, 2008, 80 , 1865 - 1870, doi:10.1021/ac8000836

  • EA Vtorushina, Al Saprykin and Günter Knapp
    Optimization of the conditions of oxidation vapor generation for determining chlorine, bromine, and iodine in aqueous solutions by inductively coupled plasma atomic-emission spectrometry
    Journal of analytical chemistry, 2008, 63 , 643 - 648, doi:10.1134/S1061934808070071

  • Holger Hummrich, Nihdu Lal Banik, M. Breckheimer, Willy Brüchele, Razvan Aurel Buda, F. Feist, Egon Jäger, Jens Volker Kratz, Bernhard Kuczewski, Dirk Liebe, L. Niewisch, Matthias Schädel, Brigitta Schausten, Erwin Schimpf and Norbert Wiehl
    Eletrodeposition methods in superheavy element chemistry
    Radiochimica acta , 2008, 96 , 73 - 83, doi:10.1524/ract.2008.1473

    • 2007

  • D Moreas, M Mesko, M Mello, J Paniz, V Dressler, Günter Knapp and E Flores
    Application of microwave induced combustion in closed vessels for carbon black-containing elastomers decomposition
    Spectrochimica acta / B, 2007, 62 , 1065 - 1071, doi:10.1016/j.sab.2007.03.011

  • Helmar Wiltsche, I. B. Brenner, Günter Knapp and Karl Prattes
    Simultaneous determination of As, Bi, Se, Sn and Te in high alloy steels?re-evaluation of hydride generation inductively coupled plasma atomic emission spectrometry
    Journal of analytical atomic spectrometry, 2007, 22 , 1083 - 1088, doi:10.1039/b618536n

  • Stephan Bürger, Nihdu Lal Banik, Razvan Aurel Buda, Jens Volker Kratz, Bernhard Kuczewski and Norbert Trautmann
    Speciation of the oxidation states of plutonium in aqueous solutions by UV/Vis spectroscopy, CE-ICP-MS and CE-RIMS
    Radiochimica acta , 2007, 95 , 433 - 438, doi:10.1524/ract.2007.95.8.433

  • E Flores, J Barin, M Mesko and Günter Knapp
    Sample preparation techniques based on combustion reactions in closed vessels - A brief overview and recent applications
    Spectrochimica acta / B, 2007, 62 , 1051 - 1064, doi:10.1016/j.sab.2007.04.018

    • 2006

  • Robert Eichler, Willy Brüchele, Razvan Aurel Buda, Stephan Bürger, Robert Dressler, Christoph E. Düllmann, J. Dvorak, Klaus Eberhardt, Bernd Eichler, C. M. Folden III, Heinz Gäggeler, K. E. Gregorich, Florian Haenssler, Darlene C. Hoffman, Holger Hummrich, Egon Jäger, Jens Volker Kratz, Bernhard Kuczewski, Dirk Liebe, D. Nayak, Heino Nitsche, D. Piguet, Z. Qin, Ulrich Rieth, Matthias Schädel, Brigitta Schausten, Erwin Schimpf, A. Semchenkov, Sandra Soverna, Ralf Sudowe, Norbert Trautmann, Petra Thörle, Andi Türler, Birgit Wierczinski, Norbert Wiehl, P. A. Wilk, Gerhard Wirth, A. B. Yakushev and André von Zweidorf
    Attempts to chemically investigate element 112
    Radiochimica acta , 2006, 94 , 181 - 191, doi:10.1524/ract.2006.94.4.181

  • M.F.; Mesko, D.; Pompeu De Moraes, J.S.; Barin, V.L.; Dressler, Günter Knapp and E.M.; Flores
    Digestion of biological materials using the microwave-assisted sample combustion technique
    Microchemical journal , 2006, 82 , 183 - 188, doi:10.1016/j.microc.2006.01.004

    • 2004

  • André von Zweidorf, Regine Angert, Willy Brüchele, Stephan Bürger, Klaus Eberhardt, Robert Eichler, Holger Hummrich, Egon Jäger, Hans-Otto Kling, Jens Volker Kratz, Bernhard Kuczewski, Gert Langrock, Matthias Mendel, Ulrich Rieth, Matthias Schädel, Brigitta Schausten, Erwin Schimpf, Petra Thörle, Norbert Trautmann, Kazuaki Tsukada, Norbert Wiehl and Gerhard Wirth
    Evidence for the formation of sodium hassate(VIII)
    Radiochimica acta , 2004, 92 , 855 - 861, doi:doi: 10.1524/ract.92.12.855.55112

  • Erico Marlon de Moraes Flores, Juliano Smanioto Barin, Jose Neri Gottfried Paniz, Joao Alfredo Medeiros and Günter Knapp
    Microwave-Assisted Sample Combustion: A Technique for Sample Preparation in Trace Element Determination
    Analytical chemistry, 2004, 76 , 3525 - 3529

  • Christian M. Marquardt, Robert Artinger, Melissa Denecke, Bernhard Kuczewski, Dieter Schild and Thomas Fanghänel
    The Redox Behaviour of Plutonium in Humic Rich Groundwater
    Radiochimica acta , 2004, 92 , 617 - 623, doi:10.1524/ract.92.9.617.55007

    • 2003

  • Bernhard Kuczewski, Christian M. Marquardt, Alice Seibert, Horst Geckeis, Jens Volker Kratz and Norbert Trautmann
    Separation of Plutonium and Neptunium Species by Capillary Electrophoresis-Inductively Coupled Plasma Mass Spectrometry and Application to Natural Groundwater Samples
    Analytical chemistry, 2003, 75 , 6769 - 6774, doi:10.1021/ac0347213

  • Brigitte Maichin, Michael Zischka and Günter Knapp
    Pressurized wet digestion in open vessels
    Analytical and bioanalytical chemistry, 2003, 376 , 715 - 720, doi:10.1007/s00216-003-1962-6

  • Jens Volker Kratz, Andrea Nähler, Ulrich Rieth, Andreas Kronenberg, Bernhard Kuczewski, Erik Strub, Willy Brüchele, Matthias Schädel, Brigitta Schausten, Andreas Türler, Heinz W. Gäggeler, D. T. Jost, Ken E. Gregorich, Heino Nitsche, Carola Laue, Ralf Sudowe and Philip A. Wilk
    An EC-branch in the decay of 27-s 263Db: Evidence for the new isotope 263Rf
    Radiochimica acta , 2003, 91 , 59 - 63, doi:10.1524/ract.91.1.59.19010

    • 2002

  • Queiroz,Zilvanir F.; Rocha,Fabio R.P.; Knapp,Gunter; Krug andFrancisco J.
    Flow system with in-line separation/preconcentration coupled to graphite furnace atomic absorption spectrometry with W-Rh permanent modifier for copper determination in seawater
    Analytica Chimica Acta, 463, 2, 275-283, 2002, ,

  • Wasilewska,M.; Goessler,W.; Zischka,M.; Maichin,B.; Knapp andG.
    Efficiency of oxidation in wet digestion procedures and influence from the residual organic carbon content on selected techniques for determination of trace elements
    Journal of Analytical Atomic Spectrometry, 17, 9, , 2002, ,

  • Moldovan,M.; Palacios,M.A.; Gomez,M.M.; Morrison,G.; Rauch,S.; McLeod,C.; Ma,R.; Schramel,P.; Zischka andM.; et. al.
    Environmental risk of particulate and soluble platinum group elements released from gasoline and diesel engine catalytic converters
    Science of the Total Environment, 296, 1-3, 199-20, 2002, ,

  • Zischka,Michael; Schramel,Peter; Muntau,Herbert; Rehnert,Albert; Gomez Gomez,Milagros; Stojanik,Bern; Quevauviller,Philippe; Maier andEddie A.
    A new certified reference material for the quality control of palladium, platinum and rhodium in road dust, BCR-723
    Trends in Analytical Chemistry, 21, 12, 851-868, 2002, ,

  • Gomez,B.; Palacios,M.A.; Gomez,M.; Sanchez,J.L.; Morrison,G.; Rauch,S.; McLeod,C.; Ma,R.; Schramel,P.; Zischka,M.; Petterson,C.; Wass andU.; et. al.
    Levels and risk assessment for humans and ecosystems of platinum-group elements in the airborne particles and road dust of some European cities
    Science of the Total Environment, 299, 1-3, 1-19, 2002, ,

    • 2001

  • Hugo M. Ortner, Silvana Sterkel, Günter Knapp, Brigitte Maichin, Peter Kettisch, Laslo Kocsis, Judith Mihaly and Janos Mink
    Surface Corrosion Studies on High-Purity Quartz Vessels for Digestive Sample Preparation
    Microchimica acta, 2001, 137 , 229 - 241

  • Dieter Florian and Günter Knapp
    High-Temperature, Microwave-Assisted UV Digestion: A Promising Sample Preparation Technique for Trace Element Analysis
    Analytical chemistry, 2001, 73 , 151 - 1520

    • 2000

  • M.A. Palacios, M.M. Gomez, M. Moldovan, S. Rauch, C. McLeod, R. Ma, J. Laserna, P.Lucena, S. Caroli, A. Alimonti, F. Petrucci, B. Bocca, P. Schramel, S. Lustig, M. Zischka, U. Wass, B. Stenbom, M. Luna, J.C. Saenz, J. Santamaria and J.M. Torrens
    Platinum-group elements:quantification in collected exhaust fumes and stdies of catalyst surfaces
    Sci Total Environ 257 (2000), 1 - 15., 2000, ,

  • Peter Schramel, Michael Zischka, Horst Muntau, Bernd Stojanik, Richard Dams, Maria Gomez Gomez and Phillipe Quevauviller
    Collaborative evaluation of the analytical state-of-the-art of platinum, palladium and rhodium determinations in road dust
    J. Environ. Monit. (2000), 2(5), 443-446., 2000, ,

  • Kristien Van Dyck, Harry Robberecht, Rudy Van Cauwenbergh, Hendrik Deelstra, Josiane Arnaud, Lieve Willemyns, Frank Benijts, Jose A. Centeno, Helen Taylor, Maria E. Soares, Maria L. Bastos, Margarida A. Ferreira, Patrick C. D'Haese, Ludwig V. Lamberts, Michel Hoenig, Günter Knapp, Stanislaw J. Lugowski, Luc Moens, Jörgen Riondato, Rene Van Grieken, Martine Claes, Rudy Verheyen, Lieve Clement and Marc Uytterhoeven
    Spectrometric determination of silicon in food and biological samples: an interlaboratory trial
    Journal of analytical atomic spectrometry, 2000, 15 , 735 - 741

  • Peter Kettisch, Brigitte Maichin and Günter Knapp
    Investigation of microwave assisted drying of samples and evaporation of aqueous solutions in trace element analysis
    Fresenius' journal of analytical chemistry , 2000, 366 , 26 - 29

    • 1999

  • Ulrike Pichler, Anja Haase, Günter Knapp and Markus Michaelis
    Microwave-Enhanced Flow System for High-Temperature Digestion of Resistant Organic Materials
    Analytical chemistry, 1999, 71 , 4050 - 4055

    • 1990

  • Günter Knapp, Erich Leitner, Bernhard Platzer, Markus Michaelis and Andreas Schalk
    Element specific GC detection by atomic emission spectroscopy-a powerful tool in environmental analysis
    International journal of environmental analytical , 1990, , 369 - 378

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