The use of ultra filtration in trace metal speciation studies in sea water

During this work, size fractionation technique “ultra filtration” is used in speciation studies of trace elements in the coastal sea water. Filtration is the most commonly used method to fractionate trace metal species, but often only “dissolved” and “particulate” fraction. The purpose of the presen...

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Veröffentlicht in:	Environment international 2006-02, Vol.32 (2), p.224-228
Hauptverfasser:	Singhal, R.K., Preetha, J., Karpe, Rupali, Tirumalesh, K., Kumar, S.C., Hegde, A.G.
Format:	Artikel
Sprache:	eng
Schlagworte:	Applied sciences Benzopyrans Colloids - analysis Colloids - classification Earth sciences Earth, ocean, space Engineering and environment geology. Geothermics Environmental Monitoring - methods Exact sciences and technology Humic Substances Marine Metals, Heavy - analysis Natural water pollution Particle Size Pollution Pollution, environment geology Sea water Seawater Seawaters, estuaries Speciation Trace metals Ultra filtration Ultrafiltration Water Pollutants, Chemical - analysis Water treatment and pollution
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Beschreibung
Zusammenfassung:	During this work, size fractionation technique “ultra filtration” is used in speciation studies of trace elements in the coastal sea water. Filtration is the most commonly used method to fractionate trace metal species, but often only “dissolved” and “particulate” fraction. The purpose of the present study is to determine colloidal and suspended particulate concentrations of Fe, Zn, Cu, Ni, and Mn in sea water. Suspended particulate matter were separated in three different size groups namely (>2.7 μm, 0.45 μm and 0.22 μm) by suction filtration using cellulose acetate and nitrate filter membranes. Thereafter to concentrate the solution with colloidal particle
ISSN:	0160-4120 1873-6750
DOI:	10.1016/j.envint.2005.08.015