Greener procedures for biodiesel quality control

Author(s)

Amais, Renata S. ^[1] ; Teixeira, Leonardo S. G. ^[2] ; Rocha, Fabio R. P. ^[1]

Affiliation

^[1] Univ Sao Paulo, Ctr Energia Nucl Agr, BR-13400970 Sao Paulo - Brazil

^[2] Univ Fed Bahia, Inst Quim, BR-40170115 Salvador, BA - Brazil

• Document type: Review article
• Source: ANALYTICAL METHODS; v. 7, n. 11, p. 4396-4418, 2015.
• Web of Science Citations: 11

Abstract

Biodiesel analysis often requires large amounts of chemicals and organic solvents with consequent generation of large waste volumes. However, several environmentally friendly alternatives have been presented for assay of biodiesel quality control parameters. These approaches include direct analysis with reagentless procedures, improved sample preparation by dilution or analyte extraction with nontoxic solvents, preparation of emulsions or microemulsions, and sample mineralisation under mild conditions as well as strategies for minimization of reagent consumption and waste generation. These greener alternatives are critically reviewed, highlighting the advantages and limitations of each approach in biodiesel analysis. Alternative analytical techniques (e.g. flow analysis and electrochemical detection), predictive studies, and measurement of physicochemical parameters are also discussed. (AU)

• FAPESP's process: 13/26857-5 - Total concentrations and chemical speciation of As, Cr and Se using low pressure monolithic columns and inductively coupled plasma techniques
• Grantee: Renata Stábile Amais
• Support Opportunities: Scholarships in Brazil - Post-Doctoral
• FAPESP's process: 11/23498-9 - Advanced flow systems for technological, agronomical and environmental analysis
• Grantee: Elias Ayres Guidetti Zagatto
• Support Opportunities: Research Projects - Thematic Grants