Excitation–emission fluorescence matrix to study pH influence on organic matter fluorescence in the Amazon basin rivers

Excitation–emission fluorescence matrix to study pH influence on organic matter fluorescence in the Amazon basin rivers

A study of the three-dimensional excitation–emission fluorescence matrix (EEFM) of organic matter from the Amazon basin rivers is reported in this paper. The EEFM, applied to the fractions obtained from sequential tangential ultrafiltration (STUF), give spectroscopic informations on the fluorescent...

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Veröffentlicht in:Water research (Oxford) 2002-05, Vol.36 (10), p.2571-2581
Hauptverfasser: Patel-Sorrentino, N., Mounier, S., Benaim, J.Y.
Format: Artikel
Sprache:eng
Schlagworte:
Analytical chemistry
Brazil
Chemical Sciences
Earth sciences
Earth, ocean, space
EEFM
Environmental Monitoring
Exact sciences and technology
Filtration
Fluorescence
Fluorescence spectroscopy
Freshwater
Geochemistry
Humic substances
Humic Substances - analysis
Hydrogen-Ion Concentration
Hydrology
Hydrology. Hydrogeology
Mineralogy
Models, Theoretical
Organic Chemicals - analysis
Silicates
South America, Amazon R
Total luminescence
Ultrafiltration
Water geochemistry
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Zusammenfassung:A study of the three-dimensional excitation–emission fluorescence matrix (EEFM) of organic matter from the Amazon basin rivers is reported in this paper. The EEFM, applied to the fractions obtained from sequential tangential ultrafiltration (STUF), give spectroscopic informations on the fluorescent properties of particulate (>0.22 μm), colloidal and dissolved (
ISSN:0043-1354
1879-2448
DOI:10.1016/S0043-1354(01)00469-9