Advances in Materials Science and Engineering / 2020 / Article / Fig 5

Research Article

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

Figure 5

Chloride profiles before and after treatment using calcium hydroxide 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: values obtained by subtracting the free chloride concentration from the total at each depth.

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