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Radiotracer study of the adsorption of So2−4 (HSO−4) and Cl− ions on an austenitic stainless steel

✍ Scribed by K. Varga; E. Maleczki; G. Horányi

Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
580 KB
Volume
33
Category
Article
ISSN
0013-4686

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✦ Synopsis

Adsorption of SO, '-(HSO,) and Cl-ions on a powdered stainless steel (OSXISH lOT), used as constructional material in VVER nuclear reactors, was studied by a radiotracer method. The concentration, potential-and pH dependence of the adsorption was investigated. No significant adsorption of Cl-ions was observed. The observed pH dependence of H2S04 adsorption allows us to assume that the adsorption is determined by the concentration of HSO, ions and a logarithmic adsorption isotherm with respect to these ions can be fitted to the experimental results. Competitive adsorption of HSO, ions with Cl-and CrO, '-ions was studied and discussed.

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