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Novel Imidazolium-Based Gemini Surfactants: Synthesis, Surface Properties, Corrosion Inhibition and Biocidal Activity Against Sulfate-Reducing Bacteria
Faculty
Science
Year:
2013
Type of Publication:
Article
Pages:
927-935
Authors:
Aiad, Ismail, Emam, Dalia, El-Deeb, Ali, Abd-Alrahman, Eman
DOI:
10.1007/s11743-013-1491-z
Journal:
JOURNAL OF SURFACTANTS AND DETERGENTS SPRINGER HEIDELBERG
Volume:
16
Research Area:
Chemistry; Engineering
ISSN
ISI:000325703100013
Keywords :
Gemini surfactants, Surface properties, Corrosion inhibition
Abstract:
Three novel imidazolium-based gemini surfactants had been synthesized and characterized using different spectroscopic techniques. The surface properties of the synthesized surfactants were determined using surface tension measurements at 20 A degrees C. The surface parameters including critical micelle concentration (CMC), pi (CMC), Pc-20, I{''}(max) and A (min) were determined. The synthesized compounds were evaluated as corrosion inhibitors for carbon steel in 0.5 M HCl solution using the weight loss and polarization techniques. The biological activity of these surfactants was evaluated against sulfate reducing bacteria using most probable number method. The results indicate that the synthesized compounds have good surface properties and are proper corrosion inhibitors for low carbon steel, with a high inhibition efficiency observed around their CMC. These compounds exhibit a significant biocidal activity against sulfate reducing bacteria.
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