Evaluation of methods of chloride ion concentration determination and effectiveness of desalination treatments using sodium hydroxide and alkaline sulphite solutions

Wang, Quanyu and Dove, Simon and Shearman, Fleur and Smirniou, Melina (2008) Evaluation of methods of chloride ion concentration determination and effectiveness of desalination treatments using sodium hydroxide and alkaline sulphite solutions. The Conservator, 31 (I). pp. 67-74. ISSN 0140-0096

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Abstract

Three methods for determining Cl‐ion concentrations in neutral, alkaline and alkaline sulphite solutions were tested and the results are reported. The Cl‐ ion ‐ selective electrode was found to be the only suitable method for alkaline sulphite solutions, and reasons for this are given. This method was further evaluated in practice monitoring the progress of desalination using sodium hydroxide and alkaline sulphite solutions. The total amount of Cl‐ ions removed during the treatment was calculated and the residual concentration in the treated object measured using ion chromatography.

Keywords:archaeological iron, desalination, chloride, conservation science
Subjects:V Historical and Philosophical studies > V450 Archaeological conservation
Divisions:College of Arts
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ID Code:16070
Deposited On:26 Nov 2014 10:09

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