Abstract
The light reaction of luminol with sodium hypochlorite is reported in cetyltrimethylammonium chloride (CTAC) micelles. The chemiluminescence and chemiexcitation yields in this medium are reported, together with the chemical yields and the fluorescence quantum yield of 3- aminophthalate, the primary emitter. The CTAC molecules cause both chemical and photophysical quenching; however, the chemiexcitation yields are higher than in homogeneous aqueous media due to the less polar microenvironment of the micellar Stern region. Based on the chemiluminescence decay curves, the apparent pseudo-first-order rate constants are reported and the dependence on the surfactant concentration is shown to be in accordance with the pseudophase kinetic model. Employing this model the ion exchange constant between OCl − and Cl −, the micellar rate constant and the luminol-CTAC binding constant are also reported.
Sign-in/Register to access full text options 
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a callMore From: Journal of Photochemistry & Photobiology, A: Chemistry
Disclaimer: All third-party content on this website/platform is and will remain the property of their respective owners and is provided on "as is" basis without any warranties, express or implied. Use of third-party content does not indicate any affiliation, sponsorship with or endorsement by them. Any references to third-party content is to identify the corresponding services and shall be considered fair use under The CopyrightLaw.
