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Cristin-resultat-ID:
146978
Sist endret:
4. januar 2002, 10:42
Resultat
Vitenskapelig foredrag
2001
Natural organic matter in the Nordic countries: Characterisation of Sampling sites and Reverse osmosis Isolates of DOM
Rolf David Vogt
Dag Olav Andersen
Kevin Bishop
Nicholas Clarke
Tone Charlotte Gadmar
Egil T. Gjessing
mfl.
Presentasjon
Presentasjon
Navn på arrangementet: 8th Nordic International Humic Substance Society (IHSS) Symposium
Sted: Fredriksberg, Denmark
Dato fra:
28. mai 2001
Om resultatet
Om resultatet
Vitenskapelig foredrag
Publiseringsår: 2001
Importkilder
Importkilder
ForskDok-ID: 62748
Beskrivelse
Beskrivelse
Engelsk
Tittel
Natural organic matter in the Nordic countries: Characterisation of Sampling sites and Reverse osmosis Isolates of DOM
Sammendrag
The main tasks of the NOMiNiC project (Natural Organic Matter in the Nordic countries; see http://www.kjemi.uio.no/envir/nominic/) is to study the physiochemical characteristics of dissolved organic matter (DOM) and provide reverse osmosis (RO) spring and fall isolates of surface water natural organic matter (NOM) from 5 Nordic forested sites that differ mainly in atmospheric S-loading and climate. Hydrophobic and hydrophilic fractions are hypothesized to be more easily defined and have distinct different chemical characteristics than the total sample. A XAD-8 fractionation may then be used as a simple proxy for the physico-chemical properties of NOM. Both XAD-8 fractions and the total DOM sample have been base and metal titrated. Enhanced understanding of the significance of the numerous operationally defined parameters describing NOM will be achieved through a common multi-dimensional characterisation of the same set of isolates, that span a large spectre of the variation found in DOM. 7 institutes are already collaborating in characterizing the RO isolates using a large range of techniques and new participants are invited. In this presentation the 5 sampling sites are described and some results of the characterisation of the RO isolates are presented
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fullstendig beskrivelse
Bidragsytere
Bidragsytere
Rolf David Vogt
Forfatter
ved Kjemisk institutt ved Universitetet i Oslo
Dag Olav Andersen
Forfatter
Kevin Bishop
Forfatter
Nicholas Clarke
Forfatter
Tone Charlotte Gadmar
Forfatter
ved Kjemisk institutt ved Universitetet i Oslo
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