Application of soft and hard modeling methods to resolve the three competitive complex formation of 13 lanthanide-Arsenazo III complexes

International Journal of Industrial Chemistry

دوره 3، شماره 1، اسفند 2012، صفحه 186-192

نوع مقاله: research article

شناسه دیجیتال (DOI): https://doi.org/10.1186/2228-5547-3-9

نویسندگان

Javad Fadaee Kakhki^* ؛ Mohammad Reza Abedi

Department of Applied Chemistry, Quchan Branch, Islamic Azad University, Quchan, Iran

چکیده

The applicability of soft and hard modeling methods was used to determine the formation constants of complexes between 3,6-bis[(2-arsonophenyl)azo]-4,5-dihydroxy-2,7-naphtalenedisulphonic acid disodium salt (Arsenazo III) and 13 lanthanides. The results showed that all the 13 lanthanides (M) studied form a similar type of complexes and spectral profiles with Arsenazo III (L) with three formation constants corresponding to M/L ratios of 1:1, 1:2, and 2:2.

کلیدواژه‌ها

Arsenazo III؛ Chemometrics؛ Hard modeling؛ Lanthanides؛ Soft modeling