Editor-in-Chief İlkay Küçükgüzel Associate Editor Esra Tatar Online ISSN 2630-6344 Publisher Marmara University Frequency Quarterly (January-April-July-October) Abbreviation J.Res.Pharm. Former Name Marmara Pharmaceutical Journal
Marmara Pharmaceutical Journal 2015 , Vol 19 , Issue 3
The Determination of The Acidity Constants and The Stability Constants of Flavokermesic Acid Complexes with Tin(II) and Aluminium(III) Ions by Potentiometric Method
Serap AYAZ SEYHAN1, Emre DOLEN2
1Marmara Üniversitesi Eczacılık Fakültesi Analitik Kimya ABD Haydarpaşa İstanbul
2Marmara Üniversitesi Eczacılık Fakültesi Analitik Kimya ABD Haydarpaşa İstanbul
DOI : 10.12991/mpj.20151991233 Natural dyestuffs has been revived because of the fact that many of the synthetic dyestuffs are carcinogenic, toxic and their waste leads to environmental pollution. Thus, their usage has accelerated in the field of food, medicine, cosmetics and textile dyeing industry. Natural dyestuffs are soluble organic compounds obtained from plants, animals, lichens and fungi. The insect that have been and are still used today as sources of red textiles dyes, paint, pigment, food and pharmaceutical colorants are all classified in the super family Coccoidea of the class Homoptera. Flavokermesic acid (laccaic acid D) is a natural dyestuff obtained from this insect. In this study, the protonation constants of flavokermesic acid that acquired from kermes insect and the stability constants of complexes with metal ions were determined by potentiometric method. Keywords : Dyestuff, flavokermesic acid, Kermes insect, potentiometri, acidity constant
Marmara University