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2008 | 6 | 1 | 89-92
Tytuł artykułu

Influence of surfactants on the fading of malachite green

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
The kinetics of the reaction between malachite green (MG) and sodium hydroxide (MG fading) was studied using a spectrophotometric method in the presence of two cationic surfactants, cetyl-benzyl-dimethyl-ammonium chloride (CBDAC) and hexadecyl-trimethylammonium bromide (HTAB) and one anionic surfactant, sodium dodecyl sulphate (SDS) at concentrations below and above critical micellar concentrations. The cationic surfactants have a catalytic effect, while the anionic surfactant has an inhibitory effect on the reaction. A kinetic model describing the influence of surfactant on reaction rate was developed. The results are discussed on the basis of electrostatic and hydrophobic interactions between the kinetic micelles and malachite green. [...]
Wydawca

Czasopismo
Rocznik
Tom
6
Numer
1
Strony
89-92
Opis fizyczny
Daty
wydano
2008-03-01
online
2008-03-01
Twórcy
  • Dept. of Physical Chemistry, Faculty of Chemistry, University of Bucharest, Bulevardul Regina Elisabeta 4-12, Bucharest, 030018, Romania, araducan@yahoo.com
  • Dept. of Physical Chemistry, Faculty of Chemistry, University of Bucharest, Bulevardul Regina Elisabeta 4-12, Bucharest, 030018, Romania
autor
  • Dept. of Physical Chemistry, Faculty of Chemistry, University of Bucharest, Bulevardul Regina Elisabeta 4-12, Bucharest, 030018, Romania
  • Dept. of Physical Chemistry, Faculty of Chemistry, University of Bucharest, Bulevardul Regina Elisabeta 4-12, Bucharest, 030018, Romania
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_s11532-007-0066-0
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