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More about Protection for galvanized steel in 3.0 % NaCl solution by SG/CTAB

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Book synopsis

In this book, the influence of Sodium Gluconate (SG), Cetyltrimethylammonium Bromide (CTAB) and their mixture on galvanized steel corrosion in 3.0 % NaCl solution was investigated by using electrochemical measurement coupled with Scanning Electron Microscopy (SEM). The polarization measurements indicated that SG, CTAB and their mixture acted as cathodic-type inhibitors. Indeed, a synergistic effect was found between SG and CTAB. In fact, the inhibition efficiency of the mixture reached 94 % at 10-3 M of SG with 2.74×10-5 M of CTAB. In addition, this inhibition efficiency improved remarkably with immersion time and slightly decreased with temperature. The SEM observations and energy dispersive X-ray (EDAX) analysis indicated that the surface homogeneity increased with mixture addition. Finally, the thermodynamic parameters (żG*a, żH*a, żS*a) were determined and discussed.

Book details

• Full title: Protection for galvanized steel in 3.0 % NaCl solution by SG/CTAB
• Author: Rachid Touir, Hayat Larhzil, Mohammed Ebn Touhami
• Language: English
• Binding: Paperback
• Number of pages: 52
• EAN: 9783659963926
• ISBN: 3659963925
• ID: 15347978
• Publisher: LAP Lambert Academic Publishing
• Weight: 94 g
• Dimensions: 220 × 150 × 3 mm
• Date of publishing: 28. October 2016

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