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Ιδρυματικό Αποθετήριο [SANDBOX]
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| URI | http://purl.tuc.gr/dl/dias/5BD32774-DC79-4277-949D-B992379DB989 | - |
| Αναγνωριστικό | https://doi.org/10.1021/ac049780a | - |
| Αναγνωριστικό | https://pubs.acs.org/doi/10.1021/ac049780a | - |
| Γλώσσα | en | - |
| Μέγεθος | 5 pages | en |
| Τίτλος | Selective mercury determination after membrane complexation and total reflection X-ray fluorescence analysis | en |
| Δημιουργός | Koulouridakis Pavlos | en |
| Δημιουργός | Κουλουριδακης Παυλος | el |
| Δημιουργός | Kallithrakas-Kontos Nikolaos | en |
| Δημιουργός | Καλλιθρακας-Κοντος Νικολαος | el |
| Εκδότης | American Chemical Society | en |
| Περιγραφή | Δημοσίευση σε επιστημονικό περιοδικό | el |
| Περίληψη | A new method for low mercury concentration analysis in drinking waters is presented. Membranes containing a few micrograms of various complexing reagents were produced on the surface of quartz glasses (reflectors). The reflectors were immersed in water solutions containing various concentrations of inorganic mercury salts at low concentrations (1−40 ng/mL). The membranes were left to equilibrate in 5−500 mL of solution for many hours; when the equilibration stage was finished they were cleaned with ultrapure water and left to dry. Analyses were performed by total reflection X-ray fluorescence (TXRF). The effects of various experimental parameters (complexing agent, equilibrium time, sample volume, etc.) as well as the selectivity of the membranes were studied. The complexing reagent dithizone with a PVC-based membrane gave the best results. The limit of quantitation was 0.8 ng/mL. | en |
| Τύπος | Peer-Reviewed Journal Publication | en |
| Τύπος | Δημοσίευση σε Περιοδικό με Κριτές | el |
| Άδεια Χρήσης | http://creativecommons.org/licenses/by/4.0/ | en |
| Ημερομηνία | 2015-10-09 | - |
| Ημερομηνία Δημοσίευσης | 2004 | - |
| Θεματική Κατηγορία | Mercury concentration | en |
| Θεματική Κατηγορία | Membranes | en |
| Θεματική Κατηγορία | X-ray fluorescence | en |
| Βιβλιογραφική Αναφορά | P.E. Koulouridakis and N.G. Kallithrakas-Kontos, "Selective mercury determination after membrane complexation and total reflection X-ray fluorescence analysis," Anal. Chem., vol. 76, no. 15, pp. 4315–4319, Jun. 2004. doi: 10.1021/ac049780a | en |
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