Protection of lead in acetic acid containing air by means of corrosion inhibitors

Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F60461373%3A22310%2F18%3A43915606" target="_blank" >RIV/60461373:22310/18:43915606 - isvavai.cz</a>
Result on the web
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DOI - Digital Object Identifier
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Result language
angličtina
Original language name
Protection of lead in acetic acid containing air by means of corrosion inhibitors
Original language description
Lead bulls are often stored in an inappropriate environment with the presence of organic acids to which lead is sensitive. The aim of this work was to test compounds inhibiting the lead corrosion due to acetic acid vapours. Ideally those that will have better application and surface properties than the widely tested carboxylic acid salts. Benztriazole, cyclohexylamine, thiourea and sodium benzoate were used. The effect of individual inhibitors was tested by the resistometric method on the non-treated surface for 2 hours immersed in the inhibitor solution and on the surface coated with the carbonate-based corrosion products with an immersion time in inhibitor for 2 hours. Resistometric sensors with different surface treatment were exposed to atmosphere above acetic acid solution in concentration 0.001 mol×l-1. To evaluate the appearance and characteristics of the lead surface after treatment of the inhibitor, the samples prepared in the same way were used. It has been found that all of the used substances form a protective layer over the lead. The highest efficiency was achieved by cyclohexylamine. The smallest surface changes occurred in benztriazole.
Czech name
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Czech description
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Project
<a href="/en/project/DG16P02R040" target="_blank" >DG16P02R040: Development of conservation methods for seals and textile materials used for their attachment</a><br>
Continuities
P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Publication year
2018
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Article name in the collection
METAL 2018 - 27th International Conference on Metallurgy and Materials, Conference Proceedings
ISBN
978-80-87294-84-0
ISSN
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e-ISSN
neuvedeno
Number of pages
6
Pages from-to
1045-1051
Publisher name
Tanger s.r.o.
Place of publication
Ostrava
Event location
Brno
Event date
May 23, 2018
Type of event by nationality
WRD - Celosvětová akce
UT code for WoS article
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