%0 Journal Article %T Empleo de una sonda infrarroja in situ para monitorear reacciones de esterificaci¨®n %A S¨¢nchez C. %A Francisco J. %A Cesteros %A Carlos %A Katime %A Issa A. %J Ingenier¨ªa e Investigaci¨®n %D 2006 %I Universidad Nacional de Colombia %X a batch reactor was employed having ph meter, ir probe and continuous operation detectors so that it could work as a cstr reactor. as esterification advanced, then ir bands corresponding to the carboxyl acid cooh group and the alcohol c-oh group decreased whilst a parallel increase was presented in the ester -coor group band which was forming. reaction progress could be observed by continuous ir spectrum registration. the ir band for hoh (water) could not be studied because it needed a completely anhydrous medium for doing so. standard solutions could be prepared for quantifying ir band peak intensity, according to a component£¿s composition in the mixture. however, when phase changes occurred in the reaction mixture, this method could not be employed for following the course of a particular reaction because random variation was detected in band intensity. %K esterification %K fatty acids %K ir probe. %U http://www.scielo.org.co/scielo.php?script=sci_abstract&pid=S0120-56092006000100001&lng=en&nrm=iso&tlng=en