Effect of electrolyte (NaCl) and temperature on the mechanism of cetyl trimethylammonium bromide micelles

In the last few decades, surfactants and electrolyte interaction has gained considerable attention of researchers due to their industrial and domestic applications. In this work, the effects of electrolyte (NaCl) on the critical micelle concentration (CMC) of the cationic surfactant cetyltrymethyl a...

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Main Authors:	Haq, Zia Ul, Rehman, Noor, Ali, Farman, Khan, Nasir Mehmood, Ullah, Hidayat
Format:	Article
Language:	English
Published:	Penerbit Universiti Kebangsaan Malaysia 2017
Online Access:	http://journalarticle.ukm.my/11063/ http://journalarticle.ukm.my/11063/ http://journalarticle.ukm.my/11063/1/08%20Zia%20Ul%20Haq.pdf

id	ukm-11063
recordtype	eprints
spelling	ukm-110632017-12-12T05:52:01Z http://journalarticle.ukm.my/11063/ Effect of electrolyte (NaCl) and temperature on the mechanism of cetyl trimethylammonium bromide micelles Haq, Zia Ul Rehman, Noor Ali, Farman Khan, Nasir Mehmood Ullah, Hidayat In the last few decades, surfactants and electrolyte interaction has gained considerable attention of researchers due to their industrial and domestic applications. In this work, the effects of electrolyte (NaCl) on the critical micelle concentration (CMC) of the cationic surfactant cetyltrymethyl ammonium bromide (CTAB) at different temperatures were investigated through different techniques such as conductometry, surface tensiometer and viscosimeter. The results showed that the values of CMC of CTAB decreased with the increase in temperature as well as with the addition of NaCl. The value of CMC for pure CTAB was calculated 0.98M at 303K, which was observed to decrease as temperature increased and got value of 0.95M at 318K. Moreover the addition of electrolyte NaCl into the surfactant lead to lowering of the CMC and obtained value of 0.90M at 3M of NaCl, indicating significant electrostatic interactions between surfactant and electrolyte. Moreover the degree of ionization(α) calculated for pure cationic surfactant CTAB was 0.219, which tends to increase with the addition of electrolyte, while that of counter ion binding values (β) was observed to decrease from 0.780 to 0.201. Furthermore, the conductivity of charged micelle of surfactant and free ions of electrolyte contributed to electric conductivity of aqueous micellar solution of surfactant. The results can be helpful to develop better understanding about interaction between electrolyte and surfactant. Penerbit Universiti Kebangsaan Malaysia 2017-05 Article PeerReviewed application/pdf en http://journalarticle.ukm.my/11063/1/08%20Zia%20Ul%20Haq.pdf Haq, Zia Ul and Rehman, Noor and Ali, Farman and Khan, Nasir Mehmood and Ullah, Hidayat (2017) Effect of electrolyte (NaCl) and temperature on the mechanism of cetyl trimethylammonium bromide micelles. Sains Malaysiana, 46 (5). pp. 733-741. ISSN 0126-6039 http://www.ukm.my/jsm/english_journals/vol46num5_2017/contentsVol46num5_2017.html
repository_type	Digital Repository
institution_category	Local University
institution	Universiti Kebangasaan Malaysia
building	UKM Institutional Repository
collection	Online Access
language	English
description	In the last few decades, surfactants and electrolyte interaction has gained considerable attention of researchers due to their industrial and domestic applications. In this work, the effects of electrolyte (NaCl) on the critical micelle concentration (CMC) of the cationic surfactant cetyltrymethyl ammonium bromide (CTAB) at different temperatures were investigated through different techniques such as conductometry, surface tensiometer and viscosimeter. The results showed that the values of CMC of CTAB decreased with the increase in temperature as well as with the addition of NaCl. The value of CMC for pure CTAB was calculated 0.98M at 303K, which was observed to decrease as temperature increased and got value of 0.95M at 318K. Moreover the addition of electrolyte NaCl into the surfactant lead to lowering of the CMC and obtained value of 0.90M at 3M of NaCl, indicating significant electrostatic interactions between surfactant and electrolyte. Moreover the degree of ionization(α) calculated for pure cationic surfactant CTAB was 0.219, which tends to increase with the addition of electrolyte, while that of counter ion binding values (β) was observed to decrease from 0.780 to 0.201. Furthermore, the conductivity of charged micelle of surfactant and free ions of electrolyte contributed to electric conductivity of aqueous micellar solution of surfactant. The results can be helpful to develop better understanding about interaction between electrolyte and surfactant.
format	Article
author	Haq, Zia Ul Rehman, Noor Ali, Farman Khan, Nasir Mehmood Ullah, Hidayat
spellingShingle	Haq, Zia Ul Rehman, Noor Ali, Farman Khan, Nasir Mehmood Ullah, Hidayat Effect of electrolyte (NaCl) and temperature on the mechanism of cetyl trimethylammonium bromide micelles
author_facet	Haq, Zia Ul Rehman, Noor Ali, Farman Khan, Nasir Mehmood Ullah, Hidayat
author_sort	Haq, Zia Ul
title	Effect of electrolyte (NaCl) and temperature on the mechanism of cetyl trimethylammonium bromide micelles
title_short	Effect of electrolyte (NaCl) and temperature on the mechanism of cetyl trimethylammonium bromide micelles
title_full	Effect of electrolyte (NaCl) and temperature on the mechanism of cetyl trimethylammonium bromide micelles
title_fullStr	Effect of electrolyte (NaCl) and temperature on the mechanism of cetyl trimethylammonium bromide micelles
title_full_unstemmed	Effect of electrolyte (NaCl) and temperature on the mechanism of cetyl trimethylammonium bromide micelles
title_sort	effect of electrolyte (nacl) and temperature on the mechanism of cetyl trimethylammonium bromide micelles
publisher	Penerbit Universiti Kebangsaan Malaysia
publishDate	2017
url	http://journalarticle.ukm.my/11063/ http://journalarticle.ukm.my/11063/ http://journalarticle.ukm.my/11063/1/08%20Zia%20Ul%20Haq.pdf
first_indexed	2023-09-18T19:59:13Z
last_indexed	2023-09-18T19:59:13Z
_version_	1777406735187705856

Effect of electrolyte (NaCl) and temperature on the mechanism of cetyl trimethylammonium bromide micelles

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