期刊
TALANTA
卷 143, 期 -, 页码 419-430出版社
ELSEVIER SCIENCE BV
DOI: 10.1016/j.talanta.2015.05.018
关键词
Flow analysis; Pulsed flows; Multi-pumping flow systems; Solenoid pumps
资金
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (Brazil) [2011/23498-9, 2011/14413-0]
- Agencia Nacional de Investigacion e Innovacion
- Programa de Desarrollo de las Ciencias Basicas (Uruguay)
- Fundacao de Amparo a Pesquisa do Estado de Sao Paulo (FAPESP) [11/23498-9] Funding Source: FAPESP
In flow analysis, use of a steady and pulseless flow was considered essential for ensuring a reproducible handling of the flowing sample. To this end, peristaltic and syringe pumps have been the propelling device in the vast majority of the flow analysers. Recently, the number of applications involving pulsed flow has been increasing. Most of them refer to use of solenoid pumps, the essence of the so-called multi-pumping flow systems. This review critically discusses the characteristics, potentialities and limitations of the pulsed flow systems, emphasizing the main advantageous characteristics of the streams involved, such as high radial mass transference and good Mixing of the fluids. Diverse contributions ranging from instrumentation development to analytical applications are presented. (C) 2015 Elsevier B.V. All rights reserved.
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