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Monitoring of trace elements in wood by TTPIXE

Date: 1.1.1994-31.12.1997
Code: K7610
Department: Åbo Akademi University / Faculty of Chemical Engineering (KTF), Laboratory of Analytical Chemistry
Address: Biskopsg. 8, FIN-20500 Åbo
Phone +358-2-2154 425
Fax +358-2-2154 479
E-mail lharju@abo.fi
Project leader: FD Leo Harju, överassistent (1.1.1994-31.12.1997)
Researchers: FM Kjell-Erik Saarela (1.1.1994-)
FM Jan-Olof Lill (1.1.1994-)
Type of research: 0 (0=Within duty, 1=Ordered research, 2=Co-operation)
- basic research 40 %
- applied research 40 %
- developmental work 20 %
ŇA internal financing: FIM 67500
Man months: Totally: 12 months
Partners: DI Kari Saari, Wisaforest Ab, Wisacenter, Jakobstad
Contacts: Dr Karel Mondspiegel, Institute of Landshape Ecology, Czechian Academy of Sciences, Tjeckien
Keywords: träkemi, träekologi, träindustri, puukemia, puuekologia, puuteollisuus, metalljoner, spårelement, ved, TTPIXE, metal ions, trace elements, wood, TTPIXE,

The forests are of both great economical and ecological importance.Therefore monitoring of elemental patterns in wood material is of importance for the detection of changes in the environment.By analysing annual growth rings of trees chemical information can be obtained about the growth site and conditions several hundred years back in time.A knowledge of the trace element content of wood is of importance for the development of industrial processes.For the trace element analyses of wood mainly thick target particle induced X-ray emission spectrometry (TTPIXE) is used.So far promising results have been obtained by the PIXE group.Parts of the results have been published.


14.2.1996 / 26.3.1998