Zobrazeno 1 - 10
of 368
pro vyhledávání: '"G. Heumann"'
Autor:
T. Litt, F. S. Anselmetti, H. Baumgarten, J. Beer, N. Cagatay, D. Cukur, E. Damci, C. Glombitza, G. Haug, G. Heumann, H. Kallmeyer, R. Kipfer, S. Krastel, O. Kwiecien, A. F. Meydan, S. Orcen, N. Pickarski, M.-E. Randlett, H.-U. Schmincke, C. J. Schubert, M. Sturm, M. Sumita, M. Stockhecke, Y. Tomonaga, L. Vigliotti, T. Wonik, the PALEOVAN Scientific Team
Publikováno v:
Scientific Drilling, Vol 14, Pp 18-29 (2012)
International Continental Scientific Drilling Program (ICDP) drilled a complete succession of the lacustrine sediment sequence deposited during the last ~500,000 years in Lake Van, Eastern Anatolia (Turkey). Based on a detailed seismic site survey, t
Externí odkaz:
https://doaj.org/article/84414487ddd54cd697419cf1180d4bc2
Autor:
F. Ziska, B. Quack, K. Abrahamsson, S. D. Archer, E. Atlas, T. Bell, J. H. Butler, L. J. Carpenter, C. E. Jones, N. R. P. Harris, H. Hepach, K. G. Heumann, C. Hughes, J. Kuss, K. Krüger, P. Liss, R. M. Moore, A. Orlikowska, S. Raimund, C. E. Reeves, W. Reifenhäuser, A. D. Robinson, C. Schall, T. Tanhua, S. Tegtmeier, S. Turner, L. Wang, D. Wallace, J. Williams, H. Yamamoto, S. Yvon-Lewis, Y. Yokouchi
Publikováno v:
Atmospheric Chemistry and Physics, Vol 13, Iss 17, Pp 8915-8934 (2013)
Volatile halogenated organic compounds containing bromine and iodine, which are naturally produced in the ocean, are involved in ozone depletion in both the troposphere and stratosphere. Three prominent compounds transporting large amounts of marine
Externí odkaz:
https://doaj.org/article/0cd4cdcee57741309573bd0e4cfa8833
Autor:
C. Peters, S. Pechtl, J. Stutz, K. Hebestreit, G. Hönninger, K. G. Heumann, A. Schwarz, J. Winterlik, U. Platt
Publikováno v:
Atmospheric Chemistry and Physics, Vol 5, Iss 12, Pp 3357-3375 (2005)
We present results of three field campaigns using active longpath DOAS (Differential Optical Absorption Spectroscopy) for the study of reactive halogen species (RHS) BrO, IO, OIO and I2. Two recent field campaigns took place in Spring 2002 in Dagebü
Externí odkaz:
https://doaj.org/article/aaacecd1a12e4b63886388b757b18219
Autor:
Klaus G. Heumann, Jens Heilmann
Publikováno v:
Analytical and Bioanalytical Chemistry. 393:393-397
An accurate, sensitive, and fast method for direct determination of total sulfur in petroleum products after thermal vaporization of an isotope-diluted sample was developed by using ICP-MS. (34)S-labelled dibenzothiophene spike was used for the isoto
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::67d52c990ffa00a258cf5e12c915d620
https://doi.org/10.1007/s00216-008-2387-z
https://doi.org/10.1007/s00216-008-2387-z
Autor:
Klaus G. Heumann, Sergei F. Boulyga
Publikováno v:
Analytical and Bioanalytical Chemistry. 383:442-447
Laser ablation inductively coupled plasma isotope dilution mass spectrometry (LA-ICP-IDMS) was applied to the direct and simultaneous determination of the platinum group elements (PGEs) Pt, Pd, Ru, and Ir in geological and environmental samples. A sp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ff2a91380e9e019a226a1c1b5f561486
https://doi.org/10.1007/s00216-005-0040-7
https://doi.org/10.1007/s00216-005-0040-7
Autor:
Klaus G. Heumann, Sergei F. Boulyga
Publikováno v:
International Journal of Mass Spectrometry. 242:291-296
Laser ablation inductively coupled plasma isotope dilution mass spectrometry (LA-ICP-IDMS) with a special laser ablation system for bulk analyses (LINA-Spark™-Atomiser) was applied for direct determinations of chlorine, bromine, and iodine in rock
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::3a1b319c8388e26a188b65fcc7e0e611
https://doi.org/10.1016/j.ijms.2004.10.028
https://doi.org/10.1016/j.ijms.2004.10.028
Autor:
Nataliya Poperechna, Klaus G. Heumann
Publikováno v:
Analytical Chemistry. 77:511-516
An accurate and sensitive species-specific isotope dilution GC/ICPMS method was developed for the determination of trimethyllead (Me3Pb+) in biological and environmental samples. A trimethyllead spike was synthesized from 206Pb-enriched metallic lead
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3795d9af1ab4ae625d308d1420d0a57b
https://doi.org/10.1021/ac048757m
https://doi.org/10.1021/ac048757m
Publikováno v:
Analytical and Bioanalytical Chemistry. 380:198-203
Size exclusion chromatography (SEC) was coupled on-line to inductively coupled plasma mass spectrometry (ICP-MS) for speciation study of trace metals in cancerous thyroid tissues in comparison to healthy thyroids aimed to estimation of changes in met
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::211bc16d3b1d0c7edc8cba7df47e50cd
https://doi.org/10.1007/s00216-004-2699-6
https://doi.org/10.1007/s00216-004-2699-6
Publikováno v:
Analytical and Bioanalytical Chemistry. 380:190-197
Inductively coupled plasma isotope-dilution mass spectrometry (ICP-IDMS) with direct injection of isotope-diluted samples into the plasma, using a direct injection high-efficiency nebulizer (DIHEN), was applied for accurate sulfur determinations in s
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::398844b716c77fae49dea1fb7203f550
https://doi.org/10.1007/s00216-004-2658-2
https://doi.org/10.1007/s00216-004-2658-2