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Development of a Gas Sampling Technique for Determining Trace Elements in Submarine Volcanic Exhalations

Title data

Merkel, Broder J. ; Kummer, N. S. ; Planer-Friedrich, Britta ; Pohl, Thomas ; Schipek, Mandy:
Development of a Gas Sampling Technique for Determining Trace Elements in Submarine Volcanic Exhalations.
In: Procedia Earth and Planetary Science. Vol. 4 (2011) . - pp. 50-56.
ISSN 1878-5220
DOI: https://doi.org/10.1016/j.proeps.2011.11.006

Abstract in another language

Panarea is a submarine volcanic caldera between the active volcanoes Stromboli and Vulcano, Aeolian Islands, Italy. Many locations within the caldera at a water depth between 10 and 30 m are characterized by emissions of hot water (partly boiling) and gases (fumaroles). The fumaroles´ gas consists mainly of CO2 (96 to 99.5%) with H2S being the second most abundant component. To investigate trace gases and in particular aerosols, volatile metals, and metalloids like arsenic a technique was used which allows sampling tens and even hundreds of litres of gas. The sampling system is rather simple: a stainless steel funnel, a 100 m long PE hose with an inner diameter of 4 mm and a gas bag (10 to 80 litres). After sampling, the gas is pumped into a PTFE washing bottle containing NaOCl in supra pure water which is effectively oxidizing organic compounds like methylated metals, other reduced species, and aerosols. Determination of trace elements by ICP-MS follows. First results show a huge variety of elements present in the submarine volcanic gases and aerosols of submarine gas emissions at Panarea.

Further data

Item Type: Article in a journal
Refereed: No
Additional notes: BAYCEER104407
Institutions of the University: Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Professorship Environmental Geochemistry Group
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences > Professorship Environmental Geochemistry Group > Professorship Environmental Geochemistry - Univ.-Prof. Dr. Britta Planer-Friedrich
Research Institutions > Research Centres > Bayreuth Center of Ecology and Environmental Research- BayCEER
Faculties
Faculties > Faculty of Biology, Chemistry and Earth Sciences
Faculties > Faculty of Biology, Chemistry and Earth Sciences > Department of Earth Sciences
Research Institutions
Research Institutions > Research Centres
Result of work at the UBT: Yes
DDC Subjects: 500 Science
Date Deposited: 05 May 2015 12:10
Last Modified: 05 May 2015 12:10
URI: https://eref.uni-bayreuth.de/id/eprint/12783