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Hungarian Academy of Science (HAS)

Hungarian Geological Society

Geochemistry and Paleoclimate (G and P) Research Group

Momentum (Lendület) Paleoclimate 2ka Research Group

Archeometry Research Group

 

 

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Laboratories and research groups

 

 

Stable isotope mass spectrometry


Head: Attila Demény

 

The laboratory was established in 1990. Until 2005 the stable isotope laboratory was equipped with a Finnigan MAT delta S isotope ratio mass spectrometer that has a collector system for 13C/12C, 18O/16O, 15N/14N and 34S/32S ratio determinations in CO2, N2 and SO2 gases, and a collector system for D/H ratio determination in H2 gas. Now the lab also contains to other mass spectrometers. In 2005 a Finnigan delta plus XP mass spectrometer equipped with a GASBENCH II unit was installed. Although water samples can be analysed using CO2-H2O equilibration, the mass spec is currently used only for carbonate samples. In 2014 a Thermo Finnigan delta V mass spec was purchased and a TC/EA and and elemental analyzer were attached in order to measure H-C-N-O isotopes in organic matter and hydrous minerals. H-O isotope compositions of water samples are measured using two laser spectroscopes (Los Gatos Instruments), one of them dedicated to fluid inclusion research.

 

 

Electron microprobe


Head: Péter Sipos 

 

The electron microprobe laboratory is operating since 1969. At present we use a JEOL JCXA-733 instrument (installed in 1980), equipped with 3 wavelength dispersive spectrometers and an Oxford Instruments INCA Energy 200 energy dispersive spectrometer (installed in 2002). At present, we can analyse virtually all elements from F to U quantitatively.

 

 

X-ray diffraction (XRD) and X-ray fluorescence (XRF)

 
Head: Péter Sipos 

 

The X-ray diffraction (XRD) laboratory is equipped with a Philips PW 1730 X-ray diffractometer controlled by PC-APD software. Graphite monochromator and Cu tube are used. Facilities for a range of sample preparation methods are available.

The XRF laboratory is equipeed with a Philips PW 1410 type wavelength-dispersive X-ray fluorescence spectrometer controlled by Philips X31 version 2.13 software is used at the Institute for Geochemical Research.

 

 

Organic geochemistry


Head: József Fekete

 

Main activities at the laboratory were as follows: source rock and crude oil studies, including analyses of aromatic and non-aromatic hydrocarbons, kerogen studies, including kerogen factory, thermal degradation and simulation experiments, analyses of pyrolysis yields, pyrolysis gas chromatography, MSV type analyses.
Instruments: Fisons gas chromatographs and DANI GC-TOF-MS.

Sample preparation laboratory for in-situ produced cosmogenic nuclides

Head: Zsófia Ruszkiczay-Rüdiger

The setup of a sample preparation laboratory for in-situ produced cosmogenic nuclides in our Institute begun in 2013. From 2014 to 2016 the laboratory has been prepared for processing quartz-containing sediment and rock samples for the determination of their in-situ produced cosmogenic 10Be and 26Al concentrations. Main research topics: exposure age and denudation rate determination of fluvial terraces using 10Be depth profiles, burial age determination using the 26Al/10Be nuclide-pair and 10Be exposure age determination of glacial landforms.
 
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Last update03 04 2017.