Baake, Olaf ; Öksüzoglu, Ramis M. ; Flege, Stefan ; Hoffmann, P. S. ; Gottschalk, S. ; Fuess, H. ; Ortner, H. M. (2006):
Determination of thickness, density and roughness of Co-Ni-Al single and multiple layer films deposited by high-vacuum e-beam evaporation on different substrates.
In: Materials Characterization, 57 (1), pp. 12 - 16. [Article]

Wagner, B. ; Bulska, E. ; Stahl, B. ; Heck, Martin ; Ortner, H. M. (2004):
Analysis of Fe valence states in iron-gall inks from XVIth century manuscripts by 57Fe Mössbauer spectroscopy.
In: Analytica Chimica Acta, 527 (2), pp. 195-202. [Article]

Höflich, B. L. W. ; Weinbruch, S. ; Ortner, H. M. (2004):
Speciation of sulfur in individual aerosol particles from work places by wavelength-dispersive electron-probe microanalysis.
In: Analytical and Bioanalytical Chemistry, 378 (1), pp. 167-170. [Article]

Ortner, H. M. ; Bulska, E. ; Rohr, U. ; Schlemmer, G. ; Weinbruch, S. ; Welz, B. (2002):
Modifiers and coatings in graphite furnace atomic absorption spectrometry--mechanisms of action (A tutorial review).
In: Spectrochimica Acta Part B: Atomic Spectroscopy, 57 (12), pp. 1835-1853. [Article]

Krajnikov, A. V. ; Gastel, M. ; Ortner, H. M. ; Likutin, V. V. (2002):
Surface chemistry of water atomised aluminium alloy powders.
In: Applied Surface Science, 191 (1-4), pp. 26-43. [Article]

Ortner, H. M. ; Rohr, U. ; Schlemmer, G. ; Weinbruch, S. ; Welz, B. (2002):
Corrosion of transversely heated graphite tubes by iron and lanthanum matrices.
In: Spectrochimica Acta Part B: Atomic Spectroscopy, 57 (2), pp. 243-260. [Article]

Bichlmeier, S. ; Janssens, K. ; Heckel, J. ; Hoffmann, Peter ; Ortner, H. M. (2002):
Comparative material characterization of historical and industrial samples by using a compact micro-XRF spectrometer.
In: X-Ray Spectrometry, 31 (1), pp. 87-91. [Article]

Kessler, T. ; Hoffmann, Peter ; Greve, T. ; Ortner, H. M. (2002):
Optimization of the identification of chemical compounds by energy-dispersive x-ray fluorescence spectrometry and subsequent multivariate analysis.
In: X-Ray Spectrometry, 31 (5), pp. 383-390. [Article]

Reiff, F. ; Bartels, M. ; Gastel, M. ; Ortner, H. M. (2001):
Investigation of contemporary gilded forgeries of ancient coins.
In: Fresenius' Journal of Analytical Chemistry, 371 (8), pp. 1146-1153. [Article]

Deutsch, F. ; Hoffmann, Peter ; Ortner, H. M. (2001):
Comparison of the Concentrations of Chemical Components in Cloudwater Samples Collected during Four Different Field Campaigns.
In: Journal of Atmospheric Chemistry, 40 (3), pp. 295-304. [Article]

Wagner, B. ; Bulska, E. ; Hulanicki, A. ; Heck, Martin ; Ortner, H. M. (2001):
Topochemical investigation of ancient manuscripts.
In: Fresenius' Journal of Analytical Chemistry, 369 (7), pp. 674-679. [Article]

Hoche, H. ; Scheerer, H. ; Broszeit, E. ; Berger, C. ; Flege, Stefan ; Ortner, H. M. (2001):
PVD-CrN Beschichtungen auf Magnesium AZ91hp und Stahl 100Cr6 - Untersuchung des Substrateinflusses auf die Schichteigenschaften.
In: Materialwissenschaft und Werkstofftechnik, 32 (3), pp. 259-265. [Article]

Deutsch, Felix ; Hoffmann, P. ; Ortner, H. M. (2001):
Comparisons of the concentrations of chemical components in cloudwater samples collected during four field campaigns.
In: Journal of atmospheric chemistry, 40, pp. 295-304. [Article]

Deutsch, Felix ; Hoffmann, P. ; Ortner, H. M. (2001):
Field experimental investigations on the Fe(II) and Fe(III)-content in cloudwater samples.
In: Journal of atmospheric chemistry, 40, pp. 87-105. [Article]

Hoffmann, Peter ; Kessler, T. ; Ortner, H. M. (2001):
Identifikation von Substanzen durch chemometrische Auswertung von EDRFA-Spektren.
In: Anwendertreffen Röntgenfluoreszenz- und Funkenemissionsspektrometrie <8, 2001, Steinfurt>: Tagungsbd. S. 80-92, [Conference or Workshop Item]

Hoche, Holger ; Scheerer, H. ; Flege, Stefan ; Broszeit, E. ; Berger, Christina ; Ortner, H. M. (2001):
PVD-CrN coated magnesium alloy AZ91hp and steel 100Cr6: influence of the substrate material on the coating properties.
In: Materials Week <2001, München>: Proceedings. - Frankfurt: Werkstoff-Informations-Ges., 2001 (CD-ROM), Frankfurt, Werkstoff-Informations-Ges., [Conference or Workshop Item]

Wohlgemuth, J. ; Pfäfflin, S. ; Jaeschke, W. ; Deutsch, F. ; Hoffmann, P. ; Ortner, H. M. (2001):
Photochemical formation of hydrogen peroxide in atmospheric droplets: the role of iron, oxalate, and trace metals of the H2O2-production.
In: Dynamics and chemistry of hydrometeors. Hrsg.: R. Jaenicke. - Weinheim: Wiley-VCH, 2001. S. 346-362, Weinheim, Wiley-VCH, [Book Section]

Kemmler, Bernd ; Hoffmann, P. ; Cremer, M. ; Ortner, H. M. ; Mennig, G. (2001):
Quantification of corrosion phenomena in plastic processing machines.
In: Fresenius journal of analytical chemistry, 371, pp. 874-881. [Article]

Bichlmeier, S. ; Janssens, K. ; Heckel, J. ; Gibson, D. ; Hoffmann, Peter ; Ortner, H. M. (2001):
Component selection for a compact micro-XRF spectrometer.
In: X-Ray Spectrometry, 30 (1), pp. 8-14. [Article]

Deutsch, F. ; Hoffmann, Peter ; Ortner, H. M. (2001):
Field Experimental Investigations on the Fe(II)- and Fe(III)-Content in Cloudwater Samples.
In: Journal of Atmospheric Chemistry, 40 (1), pp. 87-105. [Article]

Heil, H. ; Steiger, J. ; Karg, S. ; Gastel, M. ; Ortner, H. M. ; Seggern, H. von ; Stossel, M. (2001):
Mechanisms of injection enhancement in organic light-emitting diodes through an Al/LiF electrode.
In: Journal of Applied Physics, 89 (1), pp. 420-424. [Article]

Wolf, A. ; Deutsch, F. ; Hoffmann, P. ; Ortner, H. M. (2000):
The Influence of Oxalate on Fe-Catalyzed S(IV) Oxidation by Oxygen in Aqueous Solution.
In: Journal of Atmospheric Chemistry, 37 (2), pp. 125-135. [Article]

Weber, Sigrid ; Hoffmann, P. ; Ensling, J. ; Dedik, A. N. ; Weinbruch, Stephan ; Miehe, G. ; Gütlich, P. ; Ortner, H. M. (2000):
Characterization of iron compounds from urban and rural aerosol sources.
In: Journal of aerosol science, 31 (8), pp. 987-997. [Article]

Ebert, M. ; Weinbruch, S. ; Hoffmann, P. ; Ortner, H. M. (2000):
Chemical characterization of North Sea Aerosol particles.
In: Journal of Aerosol Science, 31 (5), pp. 613-632. [Article]

Bulska, E. ; Ortner, H. M. (2000):
Intercalation compounds of graphite in atomic absorption spectrometry.
In: Spectrochimica Acta Part B: Atomic Spectroscopy, 55 (5), pp. 491-499. [Article]

Ortner, H. M. (2000):
The human factor in quality management.
In: Accreditation and Quality Assurance: Journal for Quality, Comparability and Reliability in Chemical Measurement, 5 (4), pp. 130-141. [Article]

Ebert, Martin ; Mair, V. ; Tessadri, R. ; Hoffmann, P. ; Ortner, H. M. (2000):
Total-reflection X-ray fluorescence analysis of geological microsamples.
In: Spectrochimica Acta Part B: Atomic Spectroscopy, 55 (3), pp. 205-212. Elsevier, ISSN 0584-8547, e-ISSN 1873-3565,
DOI: 10.1016/S0584-8547(99)00178-0,
[Article]

Sastri, Ch. S. ; Blondiaux, G. ; Hoffmann, P. ; Ortner, H. M. ; Petri, H. (2000):
Oxygen determination in calcium fluoride by deuteron activation analysis.
In: Fresenius Journal of Analytical Chemistry, 366 (3), pp. 218-220. Springer, ISSN 0937-0633,
[Article]

Bichlmeier, Stefan ; Hoffmann, P. ; Ortner, H. M. (2000):
Anwendung einer ortsauflösenden Röntgenfluoreszenzsonde (Mikro-RFA) zur Klärung kulturhistorischer Fragestellungen.
In: Anwendertreffen Röntgenfluoreszenz- und Funkenemissionsspektrometrie <7, 2000, Dortmund>: Tagungsbd. S. 166, [Conference or Workshop Item]

Kessler, Thorsten ; Hoffmann, P. ; Ortner, H. M. (2000):
Optimierung und Identifikation von Substanzen durch chemometrische Auswertung von RFA-Spektren.
In: Anwendertreffen Röntgenfluoreszenz- und Funkenemissionsspektrometrie <7, 2000, Dortmund>: Tagungsbd. S. 149, [Conference or Workshop Item]

Gunst, Stefan ; Weinbruch, Stephan ; Wentzel, M. ; Ortner, H. M. ; Skogstad, A. ; Hetland, S. ; Thomassen, Y. (2000):
Chemical composition of individual aerosol particles in workplace air during production of manganese alloys.
In: Journal of Environmental Monitoring, 2 (1), pp. 65-71. ISSN 1464-0325, e-ISSN 1464-0333,
DOI: 10.1039/a908329d,
[Article]

Gastel, Michael ; Flege, Stefan ; Breuer, U. ; Ortner, H. M. (2000):
Generalization of the „Correlation Plot“-Method for Standard-Free Quantification of SIMS- and SNMS-Measurements for Samples Containing Three or More Elements.
In: Proceedings of the 12th International Conference on Secondary Ion Mass Spectrometry, Brussels, Sept. 1999, A. Benninghoven, P. Bertrand, H.-N. Migeon, H.W. Werner, eds, pp. 405-408. Elsevier, [Article]

Henrich, A. ; Hoffmann, P. ; Ortner, H. M. ; Greve, T. ; Itzel, H. (2000):
Non-invasive identification of chemical compounds by energy dispersive X-ray fluorescence spectrometry, combined with chemometric methods of data evaluation.
In: Fresenius Journal of Analytical Chemistry, 368 (2), pp. 130-138. Springer, ISSN 0937-0633,
[Article]

Krajnikov, A. V. ; Ortner, H. M. ; Weinbruch, Stephan ; Grogger, W. ; Warbichler, P. ; Hofer, F. ; Yurchenko, V. M. (1999):
Chromium interaction with TiO2 dispersoids in oxide dispersion strengthened ferritic steel.
In: Materials science and technology, 15, pp. 1425-1432. [Article]

Gastel, Michael ; Reuter, Ulrich ; Schulz, Herbert ; Ortner, H. M. (1999):
SIMS Analysis of the wear of boron nitride tools for the machining of compacted graphite iron and grey cast iron.
In: Fresenius Journal of Analytical Chemistry, 365 (1-3), pp. 142-146. Springer, ISSN 0937-0633,
DOI: 10.1007/s002160051460,
[Article]

Rohr, Udo ; Ortner, H. M. ; Schlemmer, G. ; Weinbruch, Stephan ; Welz, B. (1999):
Corrosion of transversely heated graphite tubes by mineral acids.
In: Spectrochimica Acta Part B: Atomic Spectroscopy, 54 (5), pp. 699-718. [Article]

Heck, Martin ; Hoffmann, P. ; Ortner, H. M. (1999):
Bestimmung der Zusammensetzung von inhomogenen, kleinen und unregelmäßig geformten altertümlichen Glasperlen mit Hilfe der RFA.
In: Anwendertreffen Röntgenfluoreszenz- und Funkenemissionsspektrometrie <6, 1999, Dortmund>: Tagungsbd. S. 168-176, [Conference or Workshop Item]

Henrich, Alexander ; Hoffmann, P. ; Ortner, H. M. ; Itzel, H. (1999):
Chemometrische Unterscheidung und Klassifizierung von Substanzen ohne detektierbare Röntgenfluoreszenzlinien durch Röntgenstreustrahlung.
In: Anwendertreffen Röntgenfluoreszenz- und Funkenemissionsspektrometrie <2, 1999, Dortmund>: Tagungsbd. S. 221-228, [Conference or Workshop Item]

Gastel, Michael ; Flege, Stefan ; Breuer, U. ; Ortner, H. M. (1999):
Generalisation of the 'correlation plot' method for standard-free quantification of SIMS and SNMS measurements for samples containing three or more elements.
In: International Conference on Secondary Ion Mass Spectrometry <11, 1999, Brussels>: Proceedings. Hrsg.: A. Benninghoven (u.a.). - Amsterdam: Elsevier, 2000. S. 405-408, Amsterdam, Elsevier, [Conference or Workshop Item]

Ludwig, Thomas ; Mohr, K. ; Brockmann, C. ; Grund, H. ; Ortner, H. M. ; Hoffmann, P. ; Jager, J. (1999):
Modified continuous sampling and clean-up device for the determination of PCDD/PCDF.
In: Chemosphere, 39, pp. 1937-1950. Elsevier, ISSN 0045-6535,
[Article]

Mohr, Karin ; Ludwig, T. ; Brockmann, C. ; Grund, H. ; Ortner, H. M. ; Hoffmann, P. ; Jager, J. (1999):
Modified continuous sampling and cleanup device for the determination of PCDD/PCDF in waste gases of incinerators and thermal processes.
In: Chemosphere, 39, pp. 1937-1950. [Article]

Weinbruch, Stephan ; Anastassiadis, A. ; Ortner, H. M. ; Martinz, H. P. ; Wilhartitz, P. (1999):
On the mechanism of high-temperature oxidation of ODS superalloys: significance of yttrium depletion within the oxide scales.
In: Oxidation of metals, 51 (1-2), pp. 111-128. [Article]

Weinbruch, Stephan ; Anastassiadis, A. ; Ortner, H. M. (1998):
Zum Mechanismus der Hochtemperaturoxidation von dispersionsgehärteten Superlegierungen.
In: Symposium Technische und Angewandte Mineralogie <3, 1998, Halle>: Tagungsbd, [Conference or Workshop Item]

Kluckner, M. ; Brandl, O. ; Weinbruch, S. ; Stadermann, F. J. ; Ortner, H. M. (1997):
A method to correct defocused element distribution maps in electron probe microanalysis.
In: Microchimica Acta, 125 (1), pp. 229-234. [Article]

Deutsch, Felix ; Hoffmann, P. ; Ortner, H. M. (1997):
Analytical characterization of manganese in rainwater and snow samples.
In: Frsenius journal of analytical chemistry. 357 (1997), S. 105-111, [Article]

Weinbruch, Stephan ; Wentzel, M. ; Kluckner, M. ; Hoffmann, P. ; Ortner, H. M. (1997):
Characterization of individual atmospheric particles by element mapping in electron probe microanalysis.
In: Microchimica acta. 125 (1997), S. 137-141, [Article]

Hoffmann, Peter ; Karandashev, V. K. ; Sinner, T. ; Ortner, H. M. (1997):
Chemical analysis of rain and snow samples from Chernogolovka/Russia by IC, TXRF and ICP-MS.
In: Fresenius journal of analytical chemistry. 357 (1997), S. 1142-1148, [Article]

Ebert, Martin ; Hoffmann, P. ; Ortner, H. M. ; Weinbruch, Stephan (1997):
Chemische Charakterisierung atmosphärischer Partikel im Rahmen der Meßkampagne Nordex 96.
In: NORDEX 96 Workshop <1997, Frankfurt/Main>: Tagungsbd., S. 60-64. - Frankfurt/Main: ZUF-Verl., 1998, Frankfurt/Main, ZUF-Verl, [Conference or Workshop Item]

Ebert, Martin ; Dahmen, J. ; Hoffmann, P. ; Ortner, H. M. (1997):
Examination of clean room aerosol particle composition by total reflection x-ray analysis and electron probe microanalysis.
In: Spectrochimica acta. B 52 (1997), S. 967-975, [Article]

Weinbruch, Stephan ; Anastassiadis, A. ; Ortner, H. M. ; Martinz, H. P. ; Wilhartitz, P. (1997):
High temperature oxidation of Fe- and Ni-based oxide dispersion strengthened superalloys PM 2000 and PM 1000.
In: International Plansee Seminar <14, 1997>: Proceedings. Hrsg.: G. Kneringer (u.a.) Vol. 1, S. 857-868, [Conference or Workshop Item]

Hoffmann, Peter ; Hock, H. ; Ortner, H. M. (1997):
Interdisciplinary examination of agriculturally used soils which were treated ecologically or conventionally.
In: Russian-German -Ukrainian Analytical Symposium <4, 1997>: Proceedings. Hrsg.: V. Khvostikov. S. 127-143. - Chernogolovka: Acad. of Sciences of Russia, 1997, Chernogolovka, Acad. of Sciences of Russia, [Conference or Workshop Item]

Krajnikov, A. V. ; Demidik, A. N. ; Ortner, H. M. (1997):
Mechanical properties and interphase boundary composition of ferritic steels strengthened by yttrium and titanium disperse oxides.
In: Materials science and engineering. A 234-236 (1997), S. 357-360, [Article]

Ebert, Martin ; Hoffmann, P. ; Ortner, H. M. (1997):
Multielement analysis of insoluble particles in cloud water.
In: Journal of aerosol science. 28 (1997), Suppl. 1, S. 615-616, [Article]

Hoffmann, Peter ; Dedik, A. N. ; Deutsch, F. ; Sinner, T. ; Weber, S. ; Eichler, R. ; Sterkel, S. ; Sastri, C. S. ; Ortner, H. M. (1997):
Solubility of single chemical compounds from an atmospheric aerosol in pure water.
In: Atmospheric environment. 31 (1997), S. 2777-2785, [Article]

Deutsch, Felix ; Hoffmann, P. ; Ortner, H. M. (1996):
Analytische Bestimmung von Spurenelementen und Ermittlung der chemischen Form in Aerosolen und Hydrometeoren.
In: FELDEX 95: Proceedings. S. 107, 1996, 1996, 1996, [Conference or Workshop Item]

Ebert, Martin ; Dahmen, J. ; Hoffmann, P. ; Ortner, H. M. (1996):
Bestimmung der chemischen Zusammensetzung von Reinraumaerosolpartikeln mit Hilfe der TRFA und der ESMA.
In: GIT. 40 (1996), S. 982-986, [Article]

Schneider, T. ; Ortner, H. M. ; Lorenzen, C.-J. ; Jogwich, M. ; Mertens, W. ; Sanzenbacher, E. ; Limper, A. (1996):
Elementaranalyse von Fertigmischungen technischer Gummiwaren mittels laserinduzierter Emmissionsspektralanalyse.
In: Kautschuk, Gummi, Kunststoffe, 49 (1), pp. 44-56. Hüthig, ISSN 0022-9520; 0948-3276,
[Article]

Hoffmann, Peter ; Dedik, A. N. ; Ensling, ; Weinbruch, Stephan ; Weber, S. ; Sinner, T. ; Gütlich, ; Ortner, H. M. (1996):
Specification of iron in atmospheric aerosol samples.
In: Journal of aerosol science. 27 (1996), S. 325-337, [Article]

Wilhartitz, P. ; Krismer, R. ; Leichtfried, ; Hutter, K. ; Grasserbauer, M. ; Weinbruch, Stephan ; Ortner, H. M. (1995):
3D-SIMS analysis of ultra high purity molybdenum and tungsten: a characterisation of different manufacturing techniques and products.
In: Fresenius Journal of Analytical Chemistry, 353, pp. 524-532. Springer, ISSN 0937-0633,
DOI: 10.1007/BF00321315,
[Article]

Weinbruch, Stephan ; Wentzel, M. ; Kluckner, M. ; Hoffmann, P. ; Ortner, H. M. (1995):
Charakterisierung individueller Partikel durch Messung von Elementverteilungsbildern in der Elektronenstrahlmikrosonde.
In: Tagung Festkörperanalytik <8, 1995, Wien>: Kurzfassung der Posterbeitr. S. 24, [Conference or Workshop Item]

Hoffmann, Peter ; Dedik, A. N. ; Ensling, ; Karandashev, V. K. ; Sinner, T. ; Weber, S. ; Ortner, H. M. (1994):
Analysis and specification of Fe in atmospheric samples.
In: Russian-German-Ukrainian Analytical Symposium ARGUS '94 <3, 1994>: Proceedings. S. 87-97. - Sumy: National Acad. of Sciences, Inst. of Applied Physics, 1996, Sumy, National Academy of Sciences of the Ukraine, [Conference or Workshop Item]