Flask sample introduction system (BGC air trap). Here samples from measuring stations all over the world are measured. (© A. Schroll/BGC)

Publications

Journal Article (10)

1.
Journal Article
Brooks, P. D.; Geilmann, H.; Werner, R. A.; Brand, W. A.: Improved precision of coupled δ13C and δ15N measurements from single samples using an elemental analyzer/isotope ratio mass spectrometer combination with a post-column sixport valve and selective CO2 trapping; improved halide robustness of the combustion reactor using CeO2. Rapid Communications in Mass Spectrometry 17 (16), pp. 1924 - 1926 (2003)
2.
Journal Article
Dörr, M.; Käßbohrer, J.; Grunert, R.; Kreisel, G.; Brand, W. A.; Werner, R. A.; Geilmann, H.; Apfel, C.; Robl, C.; Weigand, W.: A possible prebiotic formation of ammonia from dinitrogen on iron sulfide surfaces. Angewandte Chemie International Edition 42 (13), pp. 1540 - 1543 (2003)
3.
Journal Article
Ghosh, P.; Bhattacharya, S. K.: Sudden warming epochs during 42 to 28 ky BP in the Himalayan region from stable isotope record of sediment column from a relict lake in Goting, Garhwal, North India. Current Science 85 (1), pp. 60 - 67 (2003)
4.
Journal Article
Ghosh, P.; Bhattacharya, S. K.; Sahni, A.; Kar, R. K.; Mohabey, D. M.; Ambwani, K.: Dinosaur coprolites from the Late Cretaceous (Maastrichtian) Lameta Formation of India: isotopic and other markers suggesting a C3 plant diet. Cretaceous Research 24 (6), pp. 743 - 750 (2003)
5.
Journal Article
Ghosh, P.; Brand, W. A.: Stable isotope ratio mass spectrometry in global climate change research. International Journal of Mass Spectrometry 228 (1), pp. 1 - 33 (2003)
6.
Journal Article
Qi, H. P.; Coplen, T. B.; Geilmann, H.; Brand, W. A.; Böhlke, J. K.: Two new organic reference materials for δ13C and δ15N measurements and a new value for the δ13C of NBS 22 oil. Rapid Communications in Mass Spectrometry 17 (22), pp. 2483 - 2487 (2003)
7.
Journal Article
Röckmann, T.; Kaiser, J.; Brenninkmeijer, C. A. M.; Brand, W. A.: Gas chromatography/isotope-ratio mass spectrometry method for high-precision position-dependent 15N and 18O measurements of atmospheric nitrous oxide. Rapid Communications in Mass Spectrometry 17 (16), pp. 1897 - 1908 (2003)
8.
Journal Article
Schmidt, H.-L.; Werner, R. A.; Eisenreich, W.: Systematics of 2H patterns in natural compounds and its importance for the elucidation of biosynthetic pathways. Phytochemistry Reviews 2 (1-2), pp. 61 - 85 (2003)
9.
Journal Article
Verkouteren, R. M.; Assonov, S.; Klinedinst, D. B.; Brand, W. A.: Isotopic metrology of carbon dioxide. II. Effects of ion source materials, conductance, emission, and accelerating voltage on dual-inlet cross contamination. Rapid Communications in Mass Spectrometry 17 (8), pp. 777 - 782 (2003)
10.
Journal Article
Werner, R. A.: The online 18O/16O analysis: Development and application. Isotopes in Environmental and Health Studies 39 (2), pp. 85 - 104 (2003)
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