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Utilisation of solid phase extraction procedures for preconcentration and determination of vanadium and chromium in various types of water samples by atomic absorption spectrometry

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Solid-phase extraction of tartrazine on multiwalled carbon nanotubes for separation and enrichment

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Double-walled carbon nanotubes as a solid phase extractor for separation-preconcentration of traces of gold from geological and water samples

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International Journal of Environmental and Analytical Chemistry, Vol. 91, Iss. 5, 2011-04 ,pp. : 440-447

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Chemically modified silica gel for selective solid-phase extraction and preconcentration of heavy metal ions

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