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Using a Combination of Experimental and Mathematical Method To Explore Critical Micelle Concentration of a Cationic Surfactant

Authorized Users Only
2016
Authors
Goronja, Jelena
Pejić, Nataša
Janošević-Ležaić, Aleksandra
Stanisavljev, Dragomir
Malenović, Anđelija
Article (Published version)
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Abstract
An undergraduate electrical conductivity measurement experiment in a physical chemistry lab and basic fitting procedures are presented that allow a characterization of micellar system of hexadecyttrirnethylammonium bromide (cetyltrimethylammonium bromide, CTAB) in binary mixture of water and acetonitrile (ACN) as a cosolvent (10%, v/v) at 30.0 degrees C. Conductivity-concentration data were processed by inbuilt function of ORIGIN software to attain the values of critical micelle concentration by method of integration. Acquiring the data-fitting skills that are developed through the addition of a computational tool to a conventional electrical conductometry experiment has a general significance for its applications to more complex upper-level experiments with the aim to process data and perform fast calculations and graphics.
Source:
Journal of Chemical Education, 2016, 93, 7, 1277-1281
Publisher:
  • Amer Chemical Soc, Washington
Projects:
  • Dynamics of nonlinear physicochemical and biochemical systems with modeling and predicting of their behavior under nonequilibrium conditions (RS-172015)

DOI: 10.1021/acs.jchemed.5b00913

ISSN: 0021-9584

WoS: 000380384800016

Scopus: 2-s2.0-84978858587
[ Google Scholar ]
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8
URI
http://farfar.pharmacy.bg.ac.rs/handle/123456789/2653
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  • Radovi istraživača / Researchers’ publications
Institution
Pharmacy

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