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Enhancement Effect of Cetyltrimethylammonium Bromide on Electrochemical Determination of Chlorophenols using a Carbon Paste Electrode
Authors: Maloku Arsim | Berisha Liridon | Jashari Granit | Arbneshi Tahir | Kalcher Kurt
Year: 2020
Type of publication: článek v odborném periodiku
Name of source: Journal of Analytical Chemistry
Publisher name: Springer
Place: New York
Page from-to: 358-365
Titles:
Language Name Abstract Keywords
cze Zlepšující efekt cetyltrimethylamoniumbromidu na elektrochemické stanovení chlorofenolů s použitím uhlíkové pastové elektrody Elektrochemické odezvy chlorofenolů mohou být účinně zvýšeny použitím povrchově aktivní látky cetyltrimethylamoniumbromidu v kombinaci s uhlíkovou pastovou elektrodou. Chlorofenoly; Cetyltrimethylamoniumbromid; Uhlíková pastová elektroda; Diferenční pulzní voltametrie
eng Enhancement Effect of Cetyltrimethylammonium Bromide on Electrochemical Determination of Chlorophenols using a Carbon Paste Electrode The electrochemical responses of chlorophenols can be effectively enhanced by using the surfactant cetyltrimethylammonium bromide (CTAB) in combination with a carbon paste electrode (CPE). The influence of CTAB on the electrochemical behavior of hydroquinone, phenol, 2-chlorophenol, 2,4-dichlorophenol, 2,4,6-trichlorophenol, p-chloro-m-cresol and pentachlorophenol at the CPE was investigated in the phosphate buffer solution (pH 7). The concentration of CTAB affecting the electrochemical reaction of phenols was examined and the optimal concentration was 0.2 mM. In this research we have applied electrochemical methods, such as cyclic voltammetry and differential pulse voltammetry (DPV). The CPE modified with CTAB in DPV increased signal intensity for chlorophenols by around 5 to 13 times and was successfully applied to determination of chlorophenols in soil samples. Chlorophenols; Cetyltrimethylammonium bromide; Carbon paste electrode; Differential pulse voltammetry

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