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| Content Provider | CSIR - National Institute of Science Communication and Policy Research (NISCPR) |
|---|---|
| Author | Shemirani, Farzaneh Abkenar, Shiva Dehghan Jamali, Mohammad Reza |
| Abstract | A preconcentration method for determination of low concentrations of Cd(II), Cu(II), and Zn(II) in water, using cloud point extraction is proposed. The analytes in the initial aqueous solution have been complexed with 8-hydroxyquinoline, with 0.06% (w/v) Triton X-114 added as surfactant. The complexation allows the separation of the analytes from other elements, which are not complexed. After phase separation, based on the c loud point of the mixture and dilution of the surfactant-rich phase with acidified methanolic solution, the enriched analytes have been determined by flame atomic absorption spectrometry. After optimization of complexation and extraction conditions, good enrichment factors have been obtained. The detection limits are 0.15 ng ml-1 for Cd(II), 0.72 ng ml-1, for Cu(II) and 0.03 ng ml-1 , for Zn(II) in the initial solution. The relative standard deviations are lower than 3.1 %. The method has been applied for analysis of the studied ions in tap water and river water samples. The method has been validated by the analysis of standard reference material. |
| Ending Page | 1214 |
| Starting Page | 1211 |
| ISSN | 03764710 |
| e-ISSN | 09750975 |
| Journal | Indian Journal of Chemistry -Section A (IJC-A) |
| Issue Number | 06 |
| Volume Number | 44A |
| Language | English |
| Publisher | CSIR-NISCAIR, India |
| Publisher Date | 2005-06-01 |
| Access Restriction | Open |
| Rights License | CC Attribution-Noncommercial-No Derivative Works 2.5 India |
| Subject Keyword | Research Journal Chemistry |
| Content Type | Text |
| Resource Type | Article |
| Subject | Inorganic Chemistry Physical and Theoretical Chemistry |
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