Produção Nacional
Revisado por pares
Uso da pressão gerada por uma coluna de água para controle da vazão em sistemas de análises em fluxo
2007; Brazilian Chemical Society; Volume: 30; Issue: 7 Linguagem: Inglês
10.1590/s0100-40422007000700044
ISSN1678-7064
AutoresWallans Torres Pio dos Santos, Marselha P. Ceolin, Yaico D. T. de Albuquerque, Eduardo M. Richter,
Tópico(s)Water Quality Monitoring Technologies
ResumoThis work presents a new approach to control the flow rate in hydrodynamic flow experiments.The combination of air pressure generated by an aquarium air pump and the pressure generated by a water column were used for this purpose.This device supports a stable flow rate without pulsation for a long period of time.Furthermore, the flow rate can be easily controlled at various values in one or more streams.The performance of this approach was investigated using Fe(CN) 6 4-solutions in flowing systems using amperometric and voltammetric detection in wall-jet configuration.The results showed that the performance of the proposed device was better than a commercial peristaltic pump.It suggests that this approach can be used successfully in flow analysis systems.
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