The Nature and Thiknesses of Passive Films on Interface Cu/ NaOH+Alanine

Autor:	Svetlana Kaluzhina, Eugenia Orlova, Nina Andreeva
Rok vydání:	2007
Předmět:	Alanine Chemistry Interface (Java) Inorganic chemistry
Zdroj:	ECS Transactions. 3:519-527
ISSN:	1938-6737 1938-5862
DOI:	10.1149/1.2789254
Popis:	Thicknesses of films formed on the copper in alkaline solution in the presence of alanine are studied by ellipsometric method. It was found that small additives of β-alanine (10-4-10-3 mol/l) cause additional stabilization of copper passivity due to an increase in the film thickness. The adsorption kinetics of α- and β-alanine is studied. It is shown experimentally that β-alanine adsorbs on copper according to the Frumkin isotherm. By contrast, no definite type isotherm can be obtained for α-alanine due to its higher activity and ability to form soluble complexes with copper ions.
Databáze:	OpenAIRE
Externí odkaz:	https://explore.openaire.eu/search/publication?articleId=doi_________::ec0a7651e033735455a56354a8d9125b https://doi.org/10.1149/1.2789254 Zobrazit plný text záznamu