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The capability of ultrafiltration and ETV-ICP-MS for size fractionation studies of arsenic and selenium species in ground water samples with high concentrations of iron, manganese and sulfur

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Raessler, M., Michalke, B., Schramel, P., Schulte-Hostede, S., & Kettrup, A. (1998). The capability of ultrafiltration and ETV-ICP-MS for size fractionation studies of arsenic and selenium species in ground water samples with high concentrations of iron, manganese and sulfur. Fresenius Journal of Analytical Chemistry, 362(3), 281-284.


Cite as: http://hdl.handle.net/11858/00-001M-0000-000E-E13F-9
Abstract
A simple, but highly sensitive procedure for the determination of particular and colloidally bound arsenic and selenium species in ground water samples with high concentrations of iron, manganese and sulfur is presented. Samples were first filtered through a 0.45 mu m filter to separate the particulate matter from the dissolved. Aliquots of the filtered sample were submitted to ultrafiltration through membrane filters with pore diameters of 30 nm and 1 nm, respectively. Filtrates were analyzed by ETV-ICP-MS for their arsenic and selenium concentration. [References: 20]