Körez, AslıhanEroğlu, Ahmet EminVolkan, MürvetAtaman, O. Yavuz2014-07-252014-07-252000Körez, 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/B004696P0267-94771364-5544https://hdl.handle.net/11147/4073http://doi.org/10.1039/b004696pA 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.eninfo:eu-repo/semantics/openAccessTelluriumAtomic absorption spectrometryMercaptosilica microcolumnWaterArticle2-s2.0-003451024410.1039/b004696p10.1039/b004696p10.1039/b004696p