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http://hdl.handle.net/11452/24072
Başlık: | Potentiometric investigations of some catechol derivatives of scandium |
Yazarlar: | Uludağ Üniversitesi/Fen-Edebiyat Fakültesi/Kimya Bölümü. Türkel, Naciye Özer, Ulviye 56630903300 6601993613 |
Anahtar kelimeler: | Chemistry Acid dissociation-constants Salicylic-acid Hydroxyaromatic ligands Dihydroxybenzoic acids Aqueous-solution Complexes Stabilities Aluminum Yttrium(III) Equilibria Carboxylic acids Complexation Derivatives Molecular structure Ph effects Scandium Solubility Catechol derivatives Ionic medium Potentiometric investigations Stability constants Alcohols |
Yayın Tarihi: | Mar-2005 |
Yayıncı: | Pleiades Publishing |
Atıf: | Türkel, N. ve Özer, U. (2005). "Potentiometric investigations of some catechol derivatives of scandium". Russian Journal of Coordination Chemistry, 31(3), 213-217. |
Özet: | The equilibrium reactions of scandium(III) with some triprotic catechol derivatives (H3L) were studied. The selected ligands that are 2,3-dihydroxybenzoic acid (2,3-DHBA), 3,4-dihydroxybenzoic acid (3,4-DHBA), 3.4-dihydroxyhydrocinnamic acid (3,4-DHHCA), and 3,4-dihydroxyphenylacetic acid (3,4-DHPA) were investigated in aqueous solution by means of potentiometry in 0.1 M ionic medium at 25 degrees C. The stability constants are reported for the ScL and ScL(H2L)(-) mononuclear complexes. 2,3-DHBA can bind to Sc3+ ion strongly and the salicylate mode (COO-, O-) is effective over the acidic pH range. But in higher pH range, 3,4-DHBA, 3,4-DHHCA, and 3,4-DHPA act more efficiently through catecholate groups (O-, O-). |
URI: | https://doi.org/10.1007/s11173-005-0078-2 https://link.springer.com/article/10.1007%2Fs11173-005-0078-2 http://hdl.handle.net/11452/24072 |
ISSN: | 1070-3284 |
Koleksiyonlarda Görünür: | Scopus Web of Science |
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