NDLI: Simultaneous determination of main reaction components in the reaction mixture during biodiesel production.

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Simultaneous determination of main reaction components in the reaction mixture during biodiesel production.

Content Provider	World Health Organization (WHO)-Global Index Medicus
Author	Sánek, Lubomír Pecha, Jirí Kolomazník, Karel
Description	Country affiliation: Czech Republic Author Affiliation: Sánek L ( Faculty of Applied Informatics, Tomas Bata University, Zlín, Czech Republic. sanek@ft.utb.cz)
Abstract	The proposed analytical method allows for simultaneous determination by GC using a programed temperature vaporization injector and a flame ionization detector of the main reaction components (i.e. glycerol, methyl esters, mono-, di-, and triacylglycerols) in the reaction mixture during biodiesel production. The suggested method is convenient for the rapid and simple evaluation of the kinetic data gained during the transesterification reaction and, also partially serves as an indicator of the quality of biodiesel and mainly, as the indicator of the efficiency of the whole production process (i.e. the conversion of triacylglycerols to biodiesel and its time progress). The optimization of chromatographic conditions (e.g. the oven temperature program, injector setting, amount of derivatization reagent, and the derivatization reaction time) was performed. The method has been validated with crude samples of biodiesel made from waste-cooking oils in terms of linearity, precision, accuracy, sensitivity, and limits of detection and quantification. The results confirmed a satisfactory degree of accuracy and repeatability (the mean RSDs were usually below 2%) necessary for the reliable quantitative determination of all components in the considerable concentration range (e.g. 10-1100 µg/mL in case of methyl esters). Compound recoveries ranging from 96 to 104% were obtained.
File Format	HTM / HTML
ISSN	16159306
Issue Number	6
Volume Number	36
e-ISSN	16159314
Journal	Journal of Separation Science
Language	English
Publisher	Wiley-VCH
Publisher Date	2013-03-01
Publisher Place	Germany
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Discipline Analytical Discipline Chemistry Biofuels Analysis Chromatography, Gas Methods Esters Glycerol Oils Instrumentation Journal Article Research Support, Non-u.s. Gov't Validation Studies
Content Type	Text
Resource Type	Article
Subject	Analytical Chemistry Filtration and Separation

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