Publikationen von W. A. Brand

R. A. Werner, Beate A. Bruch, and W. A. Brand, "ConFlo III - An interface for high precision δ ¹³C and δ ¹⁵N analysis with an extended dynamic range," Rapid Communications in Mass Spectrometry 13 (13), 1237-1241 (1999).

M. E. Wieser and W. A. Brand, "A laser extraction/combustion technique for in situ δ ¹³C analysis of organic and inorganic materials," Rapid Communications in Mass Spectrometry 13 (13), 1218-1225 (1999).

U. Hener, W. A. Brand, A. W. Hilkert, D. Juchelka, A. Mosandl, and F. Podebrad, "Simultaneous on-line analysis of ¹⁸O/¹⁶O and ¹³C/¹²C ratios of organic compounds using GC-pyrolysis-IRMS," Zeitschrift für Lebensmittel-Untersuchung und -Forschung - A Food Research and Technology 206 (3), 230-232 (1998).

F. Thielecke, W. A. Brand, and R. Noack, "Hydrogen isotope determination for small-size water samples using an equilibration technique," Journal of Mass Spectrometry 33 (4), 342-345 (1998).

Roel Pel, Roelof Oldenhuis, Willi A. Brand, An Vos, Jan C. Gottschal, and Kor B. Zwart, "Stable-isotope analysis of a combined nitrification-denitrification sustained by thermophilic methanotrophs under low-oxygen conditions," Applied and Environmental Microbiology 63 (2), 474-481 (1997).

Willi A. Brand, H. Avak, R. Seedorf, D. Hofmann, and T. Conradi, "New methods for fully automated isotope ratio determination from hydrogen at the natural abundance level," Isotopes in Environmental and Health Studies 32 (2-3), 263-273 (1996).

Willi A. Brand and P. Dobberstein, "Isotope-Ratio-Monitoring Liquid Chromatography Mass Spectrometry (IRM-LCMS): First results from a moving wire interface system," Isotopes in Environmental and Health Studies 32 (2-3), 275-283 (1996).

Brian Fry, Robert Ganitt, Kris Tholke, Christopher Neill, Robert H. Michener, F. J. Mersch, and Willi A. Brand, "Cryoflow: Cryofocusing nanomole amounts of CO₂, N₂, and SO₂ from an elemental analyzer for stable isotopic analysis," Rapid Communications in Mass Spectrometry 10 (8), 953-958 (1996).

D. Hofmann and Willi A. Brand, "Microcombustion of ng amounts of carbon in non-volatile materials for isotope ratio evaluation," Isotopes in Environmental and Health Studies 32 (2-3), 255-262 (1996).

Willi A. Brand, Charles B. Douthitt, Francois Fourel, Rodrigo Maia, Carla Rodrigues, Cristina Maguas, and Thomas Prohaska, "Gas source isotope ratio mass spectrometry (IRMS)", in Sector Field Mass Spectrometry for Elemental and Isotopic Analysis, (2015), Vol. 16, pp. 500-549.

M. E. Wieser and Willi A. Brand, "Isotope ratio studies using mass spectrometry", in Reference Module in Chemistry, Molecular Sciences and Chemical Engineering, edited by Jan Reedijk (Elsevier, 2013).

Magnus Wendeberg and Willi A. Brand, "The Principles and Characteristics of the IRMS Instrument", in The Encyclopedia of Mass Spectrometry, Vol.5: Elemental and Isotope Ratio Mass Spectrometry, edited by D. Beauchemin and D. E. Matthews (Elsevier, Amsterdam, 2010), Vol. 5, pp. 739-748.

W. A. Brand, "O₂/N₂ Storage Aspects and Open Split Mass Spectrometric Determination", in Proceedings of the 12th IAEA/WMO meeting of CO₂ experts, Toronto, Sept. 2003, edited by D. Worthy and L. Huang (2005), pp. 146-151.

P. Ghosh and W. A. Brand, "Isotopic analysis of CO₂ in air samples: Requirements for a new CO₂ in-air standard and preparation of an air-CO₂ reference mixture from calcite material", in Proceedings of the 12th IAEA/WMO meeting of CO₂ experts, Toronto, Sept. 2003, edited by D. Worthy and L. Huang (2005), pp. 50-57.

Michael Rothe, Armin Jordan, and Willi A. Brand, "Trace gases, δ¹³C and δ¹⁸O of CO₂-in-air samples: Storage in glass flasks using PCTFE seals and other effects", in Proceedings of the 12th IAEA/WMO meeting of CO₂ experts, Toronto, Sept. 2003, edited by D. Worthy and L. Huang (2005), pp. 64-70.

W. A. Brand, "Mass spectrometer hardware for analyzing stable isotope ratios", in Handbook of stable isotope analytical techniques, edited by P. De Groot (Elsevier, Amsterdam, 2004), Vol. 1, pp. 835-856.

I. Levin, C. Facklam, M. W. I. Schmidt, M. Ramonet, P. Ciais, I. Xueref, Ray L. Langenfelds, C. Allison, R. Francey, Armin Jordan, Michael Rothe, Willi A. Brand, R. E. M. Neubert, H. A. J. Meijer, T. Machida, and H. Mukai, "Results of inter-comparison programme for analysis of "sausage" flask air samples", in Special report, edited by European Commission (TACOS (Terrestrial and atmospheric carbon observing system infrastructure), 2004), Vol. 2.

I. Levin, C. Facklam, M. W. I. Schmidt, M. Ramonet, P. Ciais, Ray L. Langenfelds, C. Allison, R. Francey, Armin Jordan, Michael Rothe, Willi A. Brand, R. E. M. Neubert, H. A. J. Meijer, T. Machida, and H. Mukai, "1st annual report of the TACOS project 2003", in TACOS sausage flask intercomparison report 2002, edited by European Commission (TACOS (Terrestrial and atmospheric carbon observing system infrastructure), 2003).

I. Levin, U. Langendörfer, M. Schmidt, C. Facklam, Ray L. Langenfelds, C. Allison, R. Francey, Armin Jordan, Willi A. Brand, R. E. M. Neubert, H. A. J. Meijer, and K. Holmén, "EuroSiberian carbonflux: Technical Report CO₂ intercomparison", in Report of the 11th WMO/IAEA Meeting of Experts on Carbon Dioxide Concentration and Related Tracer Measurement Techniques (Tokyo, Japan, 25. - 28. September 2001), (2003), pp. 37-54.

M. W. I. Schmidt, P. Ciais, I. Levin, H. A. J. Meijer, R. E. M. Neubert, M. Ramonet, W. A. Brand, and R. Francey, "The European Intercomparison Project for Greenhouse Gas Monitoring (TACOS-Infrastructure)", in Report of the 11th WMO/IAEA Meeting of Experts on Carbon Dioxide Concentration and Related Tracer Measurement Techniques (Tokyo, Japan, 25. - 28. September 2001), (2003), pp. 32-36.