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| Content Provider | World Health Organization (WHO)-Global Index Medicus |
|---|---|
| Author | Abdolmohammad-Zadeh, Hossein Rahimpour, Elaheh |
| Description | Author Affiliation: Abdolmohammad-Zadeh H ( Department of Chemistry, Faculty of Sciences, Azarbaijan Shahid Madani University, 35 Km Tabriz-Marageh Road, P.O. Box 53714-161, Tabriz, Iran. Electronic address: h.abdol@azaruniv.edu.); Rahimpour E ( Department of Chemistry, Faculty of Sciences, Azarbaijan Shahid Madani University, 35 Km Tabriz-Marageh Road, P.O. Box 53714-161, Tabriz, Iran.) |
| Abstract | A simple dispersive solid-phase micro-extraction method based on CoFe2O4 nano-particles (NPs) functionalized with 8-hydroxyquinoline (8-HQ) with the aid of sodium dodecyl sulfate (SDS) was developed for separation of Al(III) ions from aqueous solutions. Al(III) ions are separated at pH 7 via complex formation with 8-HQ using the functionalized CoFe2O4 nano-particles sol solution as a dispersed solid-phase extractor. The separated analyte is directly quantified by a spectrofluorometric method at 370nm excitation and 506nm emission wavelengths. A comparison of the fluorescence of Al(III)-8-HQ complex in bulk solution and that of Al(III) ion interacted with 8-HQ/SDS/CoFe2O4 NPs revealed a nearly 5-fold improvement in intensity. The experimental factors influencing the separation and in situ monitoring of the analyte were optimized. Under these conditions, the calibration graph was linear in the range of 0.1-300ngmL(-1) with a correlation coefficient of 0.9986. The limit of detection and limit of quantification were 0.03ngmL(-1) and 0.10ngmL(-1), respectively. The inter-day and intra-day relative standard deviations for six replicate determinations of 150ngmL(-1) Al(III) ion were 2.8% and 1.7%, respectively. The method was successfully applied to direct determine Al(III) ion in various human serum and water samples. |
| File Format | HTM / HTML |
| ISSN | 00032670 |
| Volume Number | 881 |
| e-ISSN | 18734324 |
| Journal | Analytica Chimica Acta |
| Language | English |
| Publisher | Elsevier |
| Publisher Date | 2015-06-30 |
| Publisher Place | Netherlands |
| Access Restriction | One Nation One Subscription (ONOS) |
| Subject Keyword | Discipline Analytical Discipline Chemistry Aluminum Blood Cobalt Chemistry Ferric Compounds Nanoparticles Oxyquinoline Solid Phase Microextraction Methods Spectrometry, Fluorescence Water Pollutants, Chemical Analysis Drinking Water Humans Limit Of Detection Magnetic Phenomena Reproducibility Of Results Journal Article Research Support, Non-u.s. Gov't |
| Content Type | Text |
| Resource Type | Article |
| Subject | Spectroscopy Environmental Chemistry Analytical Chemistry Biochemistry |
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