Antônio José Moraes Guaritá-Santos scite author profile

This work presents the development of an automatic system for differential pulse amperometry (DPA) with electrochemical deposition. The system consists of a microcomputer, running a home-made software, connected to a commercial potentiostat through a data acquisition board. The system was applied for selenium determination using gold electrode and flow injection analysis (FIA). Analytical curves were obtained in the concentration range of 20 to 400 mg L À1 for Se(IV), with a calculated detection limit of 6 mg L À1 . The analysis results for fish samples doped with Se(IV) and digested in a microwave oven showed recoveries above 93%.

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Gravimetric Determination of Saccharin in Some Sweetners Using Mercurous Nitrate as Reagent

Fatibello‐Filho¹,

Teixeira²,

Guaritá-Santos³

1993

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Antônio José Moraes Guaritá-Santos

Gestão de resíduos químicos em universidades: Universidade de Brasília em foco

Development of an Automatic Electrochemical System for Differential Pulse Amperometry and Its Application for Se(IV) Determination

Gravimetric Determination of Saccharin in Some Sweetners Using Mercurous Nitrate as Reagent

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