Naslov
Protection of bronze by n-alkanoic acid

Autori
Marušić, Katarina ; Otmačić Ćurković, Helena ; Devetak, Natalija ; Krevzelj, Sanja ; Marić, Ivan ; Stupnisek-Lisac, Ema

Vrsta, podvrsta i kategorija rada
Radovi u zbornicima skupova, cjeloviti rad (in extenso), znanstveni

Izvornik
Eurocorr 2012 proceedings / - : European Federation of Corrosion, 2012, 1-8

Skup
Eurocorr 2012

Mjesto i datum
Istanbul, Turska, 09.09.2012. - 13.09.2012

Vrsta sudjelovanja
Poster

Vrsta recenzije
Međunarodna recenzija

Ključne riječi
bronze; staeric acid; acid rain

Sažetak
Bronze artefacts and historical objects are often placed in the proximity of sea. Cor-rosive action of sea water in urban coastal areas is intensified by the presence of pol-luting gases, such as NOX. The aim of this work is to examine the possibility of bronze protection in urban coastal areas by stearic acid, CH3(CH2)16COOH. Stearic acid is saturated fatty acid with an 18 carbon chain. Fatty acids are known for spon-taneous adsorption on metal oxides and formation of self-assembled monolayers. Studies were performed in a solution simulating corrosive conditions in urban coastal areas: 0.2 g/L NaNO3 + 0.2 g/L Na2CO3 + 0.2 g/L NaCl. Corrosion of bronze in absence and presence of stearic acid was examined by means of electrochemical methods: potentiodynamic polarization and electrochemical impedance spectros-copy. Results obtained show that stearic acid decreases the corrosion rate of bronze.

Izvorni jezik
Engleski

Znanstvena područja
Kemijsko inženjerstvo

POVEZANOST RADA