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Polymer coatings to passivate calcite from acid attack: polyacrylic acid and polyacrylonitrile.

Abstract:

The extent of passivation of calcite toward dissolution by aqueous acids arising from polymeric coatings based on polyacrylic acid or polyacrylonitrile is evaluated using a channel flow cell technique with microdisc electrode detection. In situ passivation with polyacrylic acid leads to a reduction in the reactivity of calcite toward acid attack with a reduction in the rate constant by up to an order of magnitude compared with untreated calcite. Ex situ passivation with polyacrylic acid for 2...

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Publication status:
Published

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Authors


Thompson, M More by this author
Wilkins, SJ More by this author
More by this author
Institution:
University of Oxford
Department:
Oxford, MPLS, Chemistry, Physical and Theoretical Chem
Journal:
Journal of colloid and interface science
Volume:
260
Issue:
1
Pages:
204-210
Publication date:
2003-04-05
DOI:
EISSN:
1095-7103
ISSN:
0021-9797
URN:
uuid:26fcaacb-5232-4332-bf96-8e6a53da35e3
Source identifiers:
32361
Local pid:
pubs:32361

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