17th International Conference on Fundamental and Applied Aspects of Physical Chemistry (Proceedings, Volume I) (2024) [C-09-P, pp. 89-92]
AUTHOR(S) / AUTOR(I): Svetlana Mićić 
, Jelena Rupar , Aleksandra Janošević Ležaić , Nataša Pejić
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DOI: 10.46793/Phys.Chem24I.089M
ABSTRACT / SAŽETAK:
Investigation of the micellization of cationic surfactant, cetyltrimethylammonium bromide (CTAB) in the presence of flavonoidquercetin (QR) was performed by conductance method. Specific conductivity data of CTAB + QR system in mixed ethanol-water solvent (10, 20 and 30% v/v) were obtained by increasing the CTAB concentration, whereas the QR concentration was kept constant at T = 27 °C. It was found that the critical micelle concentration (CMC) increased with increasing ethanol percentage in water. Moreover, two CMC values (CMC1 and CMC2) of CTAB, in the absence and presence of QR, were determined in 10% and 20% ethanolic solutions, whereas in 30% ethanol only one CMC was achieved in the examined CTAB concentration region.
KEYWORDS / KLJUČNE REČI:
ACKNOWLEDGEMENT / PROJEKAT:
This work was partially supported by the Ministry for Education, Science and Technological Development of the Republic of Serbia (Grant no. 451-03-65/2024-03/200161).
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