2002
DOI: 10.1016/s0003-2670(02)00514-7
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Multi-pumping in flow analysis: concepts, instrumentation, potentialities

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Cited by 202 publications
(76 citation statements)
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“…The initial focus was on the improvement of analytical performance (mainly sampling rate and precision) of classical analytical methods. 15,18,54 The 2 nd trend was exploitation of unconventional processes, such as incomplete derivatizations 8,32 and partial extractions (e.g., dialysis 55 or gas-diffusion), 56 whereas the 3 rd focus was on proposal of new flow modalities, such as sequential injection analysis (SIA), 57 multicommutation, 11 multipumping, 42 flow-batch analysis, 12 multisyringe flow injection analysis, 58 with some advantages and similarities. The 4 th group will probably involve the same trends highlighted in modern analytical chemistry, with emphasis on miniaturization, green chemistry, novel strategies for microextractions, chemical speciation, bioanalysis, and analytical solutions devoted to complex samples (or complex analytical problems).…”
Section: Looking Forward: Research Perspectives On Flow Analysismentioning
confidence: 99%
“…The initial focus was on the improvement of analytical performance (mainly sampling rate and precision) of classical analytical methods. 15,18,54 The 2 nd trend was exploitation of unconventional processes, such as incomplete derivatizations 8,32 and partial extractions (e.g., dialysis 55 or gas-diffusion), 56 whereas the 3 rd focus was on proposal of new flow modalities, such as sequential injection analysis (SIA), 57 multicommutation, 11 multipumping, 42 flow-batch analysis, 12 multisyringe flow injection analysis, 58 with some advantages and similarities. The 4 th group will probably involve the same trends highlighted in modern analytical chemistry, with emphasis on miniaturization, green chemistry, novel strategies for microextractions, chemical speciation, bioanalysis, and analytical solutions devoted to complex samples (or complex analytical problems).…”
Section: Looking Forward: Research Perspectives On Flow Analysismentioning
confidence: 99%
“…Lapa et al 21 proposed in 2002 a new flow technique based on the use of solenoid micro pumps. The use of solenoid pumps as propelling devices for FIA had been already explored by Weeks and Johnson, 22 however the proposed use of the solenoid pumps was rather ancillary and sample injection was carried out in the traditional way by means of a six-port rotary valve, while in the paper by Lapa et al emphasis was put in the design of a complete system based on a network of several micro pumps independently controlled by a computer program.…”
Section: Introductionmentioning
confidence: 99%
“…Nowadays, reagents solutions can be saved and waste reduced by employing flow manifolds based on sequential injection analysis (SIA) 13 or multicommuted flow injection analyses (MCFIA) 14 and multi-pumping approach. 15 In the MCFIA approach, a set of solenoid valves are assembled to work as independent commutation devices requiring an external device to propel solutions. In the multi-pumping approach the flow systems comprised a set of solenoid micropumps, controlled by computer to deliver samples of solution of constant volume.…”
Section: Introductionmentioning
confidence: 99%
“…In the multi-pumping approach the flow systems comprised a set of solenoid micropumps, controlled by computer to deliver samples of solution of constant volume. 15 In these systems, different flow rates should be easily achieved by varying the on/off switching pattern of the micro-pumps using a similar electronic hardware to that usually employed in multicommutation. This characteristic facilitates the construction of set-ups with small dimensions suitable for in situ use.…”
Section: Introductionmentioning
confidence: 99%