期刊
TRAC-TRENDS IN ANALYTICAL CHEMISTRY
卷 76, 期 -, 页码 145-152出版社
ELSEVIER SCI LTD
DOI: 10.1016/j.trac.2015.09.009
关键词
Radiochemical analysis; Automation; Flow techniques; Sample pretreatment; Solid-phase extraction; Liquid-liquid extraction
资金
- Spanish Ministry of Economy and Competitiveness [CTM2013-42401-R]
- FEDER funds
- National Council of Science and Technology in Mexico (CONACYT)
- Spanish Ministry of Science and Innovation through the Torres Quevedo Programme [PTQ-2012-05755]
Radionuclides monitoring is an issue of increasing concern due to their widespread use last years. Thus, efficient methods for radionuclides determination are required. Radionuclides extraction and preconcentration is usually required prior detection, especially when dealing with environmental and biological samples. Most commonly pretreatment techniques in radiochemical analysis are solid-phase extraction and liquid-liquid extraction, providing not only sample clean-up but also high enrichment factors. These protocols are usually long and tedious involving a large consume of reagents and of waste generation what difficult their application in monitoring plans. Flow analysis techniques have proved to be suitable platforms to develop automated radiochemical analyzers, offering advantages such as fast and low-cost methods with low reagents consumption and so waste generation and low manipulation by the analyst. Thus, in this review strategies followed to automate radiochemical analysis exploiting most commonly used pretreatment procedures by flow techniques are presented and critically compared. (C) 2015 Elsevier B.V. All rights reserved.
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