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

Kód výsledku v 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>

Výsledek na webu

—

DOI - Digital Object Identifier

—

Jazyk výsledku

angličtina

Název v původním jazyce

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

Popis výsledku v původním jazyce

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.

Název v anglickém jazyce

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

Popis výsledku anglicky

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.

Druh

D - Stať ve sborníku

CEP obor

—

OECD FORD obor

20506 - Coating and films

Projekt

<a href="/cs/project/DG16P02R040" target="_blank" >DG16P02R040: Vývoj metod konzervování pečetí a jejich textilních závěsů</a><br>

Návaznosti

P - Projekt vyzkumu a vyvoje financovany z verejnych zdroju (s odkazem do CEP)

Rok uplatnění

2018

Kód důvěrnosti údajů

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Název statě ve sborníku

METAL 2018 - 27th International Conference on Metallurgy and Materials, Conference Proceedings

ISBN

978-80-87294-84-0

ISSN

—

e-ISSN

neuvedeno

Počet stran výsledku

6

Strana od-do

1045-1051

Název nakladatele

Tanger s.r.o.

Místo vydání

Ostrava

Místo konání akce

Brno

Datum konání akce

23. 5. 2018

Typ akce podle státní příslušnosti

WRD - Celosvětová akce

Kód UT WoS článku

—