Nikotinik Asit ve Türevleri İle Krom (III) İyonunun Oluşturduğu Komplekslerin Kararlılıkları

Öz

Cr(III)’ün NA, 2-ANA ve 4-ANA ile farklı mol oranlarında (1:1 ve 1:2) potansiyometrik titrasyonları yapıldı. Gerçekleşen kompleks iyon ve bileşiklerinin stokiyometrileri ve kararlılık sabitleri bulundu. Cr(III)’ün NA, 2-ANA ve 4-ANA ile CrL2+, CrL2+, CrL(OH)+ ve CrL2(OH) türü kompleks iyon ve bileşiklerini oluşturduğu saptandı.

Anahtar Kelimeler

• Nikotinik asit
• Krom(III)
• Potansiyometri
• Kararlılık sabiti

Stability of Complexes Formed by Chromium(III) Ion with Nicotinic Acid and Derivatives

Abstract

Potentiometric titrations of Cr(III) with NA, 2-ANA and 4-ANA in different molar ratios (1:1 and 1:2) were performed. The stoichiometry and stability constants of the complex ions and compounds were found. It was determined that chromium(III) forms complex ions and compounds such as CrL2+, CrL2+, CrL(OH)+ and CrL2(OH).

Keywords

• Nicotinic acid
• Chromium(III)
• Potentiometry
• Formation constant.

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