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Multicommuted flow systems for determination of free glycerol, manganese and total organic carbon in different sample matrices

Grant number: 08/01045-0
Support Opportunities:Scholarships in Brazil - Doctorate
Effective date (Start): May 01, 2008
Effective date (End): September 30, 2011
Field of knowledge:Physical Sciences and Mathematics - Chemistry - Analytical Chemistry
Principal Investigator:Fábio Rodrigo Piovezani Rocha
Grantee:Sidnei Gonçalves da Silva
Host Institution: Instituto de Química (IQ). Universidade de São Paulo (USP). São Paulo , SP, Brazil

Abstract

The present project is focused on the development of analytical procedures exploiting flow systems with multicommutation to solve problems of environmental and technological interest: manganese determination in saline solutions, free glycerol in bio-diesel and total organic carbon in waters and effluents. Independently controlled commuting devices will be exploited to implement the diverse steps required in the analytical procedures. Spectrophotometric detection, including the use of a long optical path flow cell, will be explored to increase sensitivity. In addition, the development of the analytical procedure will emphasize the replacement of toxic reagents. Minimization of reagent consumption and waste generation will be achieved by means of automation.

News published in Agência FAPESP Newsletter about the scholarship:
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Scientific publications
(References retrieved automatically from Web of Science and SciELO through information on FAPESP grants and their corresponding numbers as mentioned in the publications by the authors)
SILVA, SIDNEI G.; NOBREGA, JOAQUIM A.; ROCHA, FABIO R. P.. Exploiting Mn(III)/EDTA complex in a flow system with solenoid micro-pumps coupled to long pathlength spectrophotometry for fast manganese determination. Microchemical Journal, v. 98, n. 1, p. 109-114, . (08/01045-0)
SILVA, SIDNEI G.; MORALES-RUBIO, ANGEL; DE LA GUARDIA, MIGUEL; ROCHA, FABIO R. P.. Sequential spectrofluorimetric determination of free and total glycerol in biodiesel in a multicommuted flow system. ANALYTICAL AND BIOANALYTICAL CHEMISTRY, v. 401, n. 1, p. 365-371, . (08/01045-0)
Academic Publications
(References retrieved automatically from State of São Paulo Research Institutions)
SILVA, Sidnei Gonçalves da. Flow Injection procedures for glycerol determination in biodiesel and manganese in water samples. 2011. Doctoral Thesis - Universidade de São Paulo (USP). Conjunto das Químicas (IQ e FCF) (CQ/DBDCQ) São Paulo.

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