Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/4073
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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