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http://cimav.repositorioinstitucional.mx/jspui/handle/1004/1424| LAB-ON-VALVE SYSTEM FOR 99Tc EXTRACTION AND PRE-CONCENTRATION APPLIED TO ENVIRONMENTAL SAMPLES EXPLOITING ICP-MS | |
| RAMIRO ROGELIO RODRIGUEZ MORA DIANA LUZ LEAL MUÑOZ | |
| Acceso Abierto | |
| Sin Derechos Reservados | |
| ICP-MS | |
| 99Tc isotope is a beta emitter of great concern because of its long half-life (2.1*105 y). It is considered one of the most mobile radionuclides in nature easily incorporated into the trophic chain, exposing humans to its beta radiation and its increasing abundance. During the last decades large amounts of this radionuclide have been released into the environment from anthropogenic sources such as nuclear industry and medical applications. Thus, 99Tc determination is needed in order to establish an environmental control. Therefore, we have developed a novel and miniaturized LOV system, allowing 99Tc determination in environmental samples (see figure). We propose a fast method that uses TEVA resin and ICP-MS. The developed system allows reduction of reagents volume (e.g. 6 mL HNO3 6.5 mol L-1 as eluent), the minimization of sample handling, improving the reproducibility and the sample throughput and attaining a significant decrease of both time and cost per analysis. | |
| 2011 | |
| Póster de congreso | |
| Inglés | |
| OTRAS | |
| Versión revisada | |
| submittedVersion - Versión revisada | |
| Aparece en las colecciones: | Pósters de divulgación |
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| Póster Rogelio_Oporto_2.pdf | 143.66 kB | Adobe PDF | Visualizar/Abrir |