Advances in Materials Science and Engineering / 2020 / Article / Fig 6

Research Article

Efficiency of Different Electrolytes on Electrochemical Chloride Extraction to Recover Concrete Structures under Chloride-Induced Corrosion

Figure 6

Chloride profiles before and after treatment using lithium borate as electrolyte for at 2 A/m2 constantly for 4 weeks, in terms of (a) total, (b) free, and (c) bound chlorides. (a) Total: acid soluble titration against silver nitrate at the ambient temperature. (b) Free: water soluble chlorides dissolved in 50°C distilled water. (c) Bound: value obtained by subtracting the free chlorides concentration from the total at each depth.

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