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    Polarized Neutron Reflectometry of Nickel Corrosion Inhibitors 
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    Polarized Neutron Reflectometry of Nickel Corrosion Inhibitors

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    Accepted version (1.231Mb)
    Published version (3.188Mb)
    Volume
    31
    Pagination
    7062 - 7072
    Publisher
    American Chemical Society
    Publisher URL
    http://pubs.acs.org/
    DOI
    10.1021/acs.langmuir.5b01718(2015)
    Journal
    Langmuir: the ACS journal of surfaces and colloids
    Issue
    25
    ISSN
    1520-5827
    Metadata
    Show full item record
    Abstract
    Polarized neutron reflectometry has been used to investigate the detailed adsorption behavior and corrosion inhibition mechanism of two surfactants on a nickel surface under acidic conditions. Both the corrosion of the nickel surface and the structure of the adsorbed surfactant layer could be monitored in situ by the use of different solvent contrasts. Layer thicknesses and roughnesses were evaluated over a range of pH values, showing distinctly the superior corrosion inhibition of one negatively charged surfactant (sodium dodecyl sulfate) compared to a positively charged example (dodecyl trimethylammonium bromide) due to its stronger binding interaction with the surface. It was found that adequate corrosion inhibition occurs at significantly less than full surface coverage.
    Authors
    Wood, MH; Welbourn, RJL; ZARBAKHSH, A; Gutfreund, P; Clarke, SM
    URI
    http://qmro.qmul.ac.uk/xmlui/handle/123456789/8163
    Collections
    • Chemistry and Biochemistry [203]
    Language
    English
    Licence information
    This is an open access article published under a Creative Commons Attribution (CC-BY) License, which permits unrestricted use, distribution and reproduction in any medium, provided the author and source are cited.
    Copyright statements
    (c) 2015 The American Chemical Society
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