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Mario Feres

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Papers by Mario Feres

Research paper thumbnail of A Glimpse of Recent Developments in Brazilian Analytical Chemistry

Research paper thumbnail of Evidences of turbulent mixing in multi-pumping flow systems

Research paper thumbnail of Single interface flow analysis with accuracy assessment

Microchemical Journal, 2010

Single interface flow systems (SIFA) present some noteworthy advantages when compared to other fl... more Single interface flow systems (SIFA) present some noteworthy advantages when compared to other flow systems, such as a simpler configuration, a more straightforward operation and control and an undemanding optimisation routine. Moreover, the plain reaction zone establishment, which relies strictly on the mutual inter-dispersion of the adjoining solutions, could be exploited to set up multiple sequential reaction schemes providing supplementary

Research paper thumbnail of Total and inorganic mercury determination in fish tissue by flow injection cold vapour atomic fluorescence spectrometry

International Journal of Environmental Analytical Chemistry, 2010

A simple and reliable method for Hg determination in fish samples has been developed. Lyophilised... more A simple and reliable method for Hg determination in fish samples has been developed. Lyophilised fish tissue samples were extracted in a 25%(w/v) tetramethylammonium hydroxide(TMAH) solution; the extracts were then analysed by FI-CVAFS. This method ...

Research paper thumbnail of Multi-commutation in Flow Analysis: A Versatile Tool for the Development of the Automatic Analytical Procedure Focused on the Reduction of Reagent Consumption

Spectroscopy Letters, 2006

Research paper thumbnail of A Glimpse of Recent Developments in Brazilian Analytical Chemistry

Research paper thumbnail of Evidences of turbulent mixing in multi-pumping flow systems

Research paper thumbnail of Single interface flow analysis with accuracy assessment

Microchemical Journal, 2010

Single interface flow systems (SIFA) present some noteworthy advantages when compared to other fl... more Single interface flow systems (SIFA) present some noteworthy advantages when compared to other flow systems, such as a simpler configuration, a more straightforward operation and control and an undemanding optimisation routine. Moreover, the plain reaction zone establishment, which relies strictly on the mutual inter-dispersion of the adjoining solutions, could be exploited to set up multiple sequential reaction schemes providing supplementary

Research paper thumbnail of Total and inorganic mercury determination in fish tissue by flow injection cold vapour atomic fluorescence spectrometry

International Journal of Environmental Analytical Chemistry, 2010

A simple and reliable method for Hg determination in fish samples has been developed. Lyophilised... more A simple and reliable method for Hg determination in fish samples has been developed. Lyophilised fish tissue samples were extracted in a 25%(w/v) tetramethylammonium hydroxide(TMAH) solution; the extracts were then analysed by FI-CVAFS. This method ...

Research paper thumbnail of Multi-commutation in Flow Analysis: A Versatile Tool for the Development of the Automatic Analytical Procedure Focused on the Reduction of Reagent Consumption

Spectroscopy Letters, 2006

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