Effect of the deaeration on the adsorption of some cationic surfactants

AVRANAS, Antonis, Natálie MUSILOVÁ and Pantelis KOIMTZOGLOU. Effect of the deaeration on the adsorption of some cationic surfactants. Journal of Colloid and Interface Science. San Diego, USA: Academic Press Inc. Els, 2006, vol. 296, No 296, p. 634–639, 5 pp. ISSN 0021-9797.

Basic information

• Original name: Effect of the deaeration on the adsorption of some cationic surfactants
• Name in Czech: Vliv odvzdušnění na adsorpci kationtových surfaktantů
• Authors: AVRANAS, Antonis (300 Greece), Natálie MUSILOVÁ (203 Czech Republic, guarantor) and Pantelis KOIMTZOGLOU (300 Greece).
• Edition: Journal of Colloid and Interface Science, San Diego, USA, Academic Press Inc. Els, 2006, 0021-9797.

Other information

• Original language: English
• Type of outcome: Article in a journal
• Field of Study: 10403 Physical chemistry
• Country of publisher: United Kingdom of Great Britain and Northern Ireland
• Confidentiality degree: is not subject to a state or trade secret
• WWW: URL
• Impact factor: Impact factor: 2.233
• RIV identification code: RIV/00216224:14310/06:00026333
• Organization unit: Faculty of Science
• UT WoS: 000236424600031
• Keywords in English: Cetyldimethylbenzylammonium chloride; Cetyltrimethylammonium bromide; Octadecyltrimethylammonium bromide; Nitrogen; Helium; Deaeration
• Tags: Cetyldimethylbenzylammonium chloride, Cetyltrimethylammonium bromide, Deaeration, Helium, Nitrogen, Octadecyltrimethylammonium bromide

Abstract

The effect of the deaeration on the adsorption of three cationic surfactants cetyldimethylbenzylammonium chloride (CDBACl), cetyltrimethylammonium bromide (CTAB) and octadecyltrimethylammonium bromide (OTAB) at the mercury electrolyte solution interface is studied. The deaeration is studied using either nitrogen or helium and the effect of deaeration process and time is also studied. In all cases an effect of the deaeration time is found which is mainly observed at potentials where a condensed film is formed. Capacity time curves at the potentials where the film is formed show a nucleation and growth mechanism with induction time that depends on the deaeration time. The deaeration slows down the kinetics of the film formation but does not change the equilibrium capacitance value of the film. The decrease of the dissolved gas from the water that perturbs its structure is perhaps the main reason for the behaviour observed during the adsorption of these surfactants.

Abstract (in Czech)

The effect of the deaeration on the adsorption of three cationic surfactants cetyldimethylbenzylammonium chloride (CDBACl), cetyltrimethylammonium bromide (CTAB) and octadecyltrimethylammonium bromide (OTAB) at the mercury electrolyte solution interface is studied. The deaeration is studied using either nitrogen or helium and the effect of deaeration process and time is also studied. In all cases an effect of the deaeration time is found which is mainly observed at potentials where a condensed film is formed. Capacity time curves at the potentials where the film is formed show a nucleation and growth mechanism with induction time that depends on the deaeration time. The deaeration slows down the kinetics of the film formation but does not change the equilibrium capacitance value of the film. The decrease of the dissolved gas from the water that perturbs its structure is perhaps the main reason for the behaviour observed during the adsorption of these surfactants.

Links

• MSM 143100011, plan (intention): Name: Struktura a vazebné poměry, vlastnosti a analýza syntetických a přírodních molekulových ansamblů

Investor: Ministry of Education, Youth and Sports of the CR, Structure and character of bonding, properties and analysis of synthetic and natural molecular ensembles

• MSM0021622412, plan (intention): Name: Interakce mezi chemickými látkami, prostředím a biologickými systémy a jejich důsledky na globální, regionální a lokální úrovni (INCHEMBIOL) (Acronym: INCHEMBIOL)

Investor: Ministry of Education, Youth and Sports of the CR, Interactions among the chemicals, environment and biological systems and their consequences on the global, regional and local scales (INCHEMBIOL)