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Title: | Speciation and preconcentration of inorganic tellurium from waters using a mercaptosilica microcolumn and determination by hydride generation atomic absorption spectrometry | Authors: | Körez, Aslıhan Eroğlu, Ahmet Emin Volkan, Mürvet Ataman, O. Yavuz |
Keywords: | Tellurium Atomic absorption spectrometry Mercaptosilica microcolumn Water |
Publisher: | Royal Society of Chemistry | Source: | Körez, A., Eroğlu, Ahmet E., Volkan, M., & Ataman, O. Y. (2000). Speciation and preconcentration of inorganic tellurium from waters using a mercaptosilica microcolumn and determination by hydride generation atomic absorption spectrometry. Journal of Analytical Atomic Spectrometry, 15, 1599-1605. doi:10.1039/B004696P | Abstract: | A separation–preconcentration method utilising a mercapto-modified silica microcolumn was developed for the determination of trace amounts of Te(IV) and Te(VI) in waters by hydride generation atomic absorption spectrometry. Bottled drinking water, tap water and sea-water samples were spiked with sub-ng ml−1 concentrations of Te(IV) and the spiked solutions were subjected to the mercapto-modified silica microcolumn separation and enrichment procedure. The spike recovery values varied between 86 and 114%. In addition to spike recovery experiments, accuracy was also verified via the analysis of a certified reference material. The limit of detection for Te(IV) in sea-water with a preconcentration factor of 50 was 0.037 ng ml−1. The capability of the microcolumn enrichment scheme for on-line sample processing via flow manifolds was demonstrated. A detailed interference study was performed. | URI: | http://hdl.handle.net/11147/4073 http://doi.org/10.1039/b004696p |
ISSN: | 0267-9477 0267-9477 1364-5544 |
Appears in Collections: | Chemistry / Kimya Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection |
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Speciation and preconcentration of inorganic tellurium.pdf | 170.09 kB | Adobe PDF | View/Open |
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