THERMODYNAMIC CHARACTERIZATION OF THE AGGREGATION PHENOMENA OF SAFRANINET BY SPECTRAL TITRATION AND CHEMOMETRIC ANALYSIS

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KARIMI GOFTAR MASOUD; ALIZADEH RAYENI NARGES; MORADI KOR NASROALLAH

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Journal: INTERNATIONAL JOURNAL OF ADVANCED BIOLOGICAL AND BIOMEDICAL RESEARCH (IJABBR) Year:2014 | Volume:2 | Issue:6 Page(s): 2008-2014

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Title

THERMODYNAMIC CHARACTERIZATION OF THE AGGREGATION PHENOMENA OF SAFRANINET BY SPECTRAL TITRATION AND CHEMOMETRIC ANALYSIS

Author(s)

KARIMI GOFTAR MASOUD | ALIZADEH RAYENI NARGES | MORADI KOR NASROALLAH | Issue Writer Certificate

Keywords

AGGREGATION PHENOMENA

SPECTROSCOPIC STUDY

MCR-ALS

EQUILIBRIUM CONSTANT

THERMODYNAMIC PARAMETERS

Abstract

The dimerization constants of Safranine T have been determined by studying the dependence of its absorption spectra on the temperature in the range 30-70oC at different total concentrations of Safranine T (1.03×10-5, 1.44×10-5 and 1.73×10-5 M). The monomer-dimer equilibrium of Safranine T has been determined by applying MCR-ALS method on the absorption spectra. The quantitative analysis of the data of undefined mixtures, was carried out by simultaneous resolution of the overlapping spectral bands in the whole set of absorption spectra. In this work the dimerization constant of Safranine T has been determined by studying the dependence of absorption spectrum on temperature at different total concentrations of dye. The enthalpy and entropy of the dimerization reactions were determined from the dependence of the EQUILIBRIUM CONSTANTs on the temperature (van’t Hoff equation). From these results it can be inferred that the driving force of the dimerization is of enthalpic origin.

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APA: Copy

KARIMI GOFTAR, MASOUD, ALIZADEH RAYENI, NARGES, & MORADI KOR, NASROALLAH. (2014). THERMODYNAMIC CHARACTERIZATION OF THE AGGREGATION PHENOMENA OF SAFRANINET BY SPECTRAL TITRATION AND CHEMOMETRIC ANALYSIS. INTERNATIONAL JOURNAL OF ADVANCED BIOLOGICAL AND BIOMEDICAL RESEARCH (IJABBR), 2(6), 2008-2014. SID. https://sid.ir/paper/339037/en

Vancouver: Copy

KARIMI GOFTAR MASOUD, ALIZADEH RAYENI NARGES, MORADI KOR NASROALLAH. THERMODYNAMIC CHARACTERIZATION OF THE AGGREGATION PHENOMENA OF SAFRANINET BY SPECTRAL TITRATION AND CHEMOMETRIC ANALYSIS. INTERNATIONAL JOURNAL OF ADVANCED BIOLOGICAL AND BIOMEDICAL RESEARCH (IJABBR)[Internet]. 2014;2(6):2008-2014. Available from: https://sid.ir/paper/339037/en

IEEE: Copy

MASOUD KARIMI GOFTAR, NARGES ALIZADEH RAYENI, and NASROALLAH MORADI KOR, “THERMODYNAMIC CHARACTERIZATION OF THE AGGREGATION PHENOMENA OF SAFRANINET BY SPECTRAL TITRATION AND CHEMOMETRIC ANALYSIS,” INTERNATIONAL JOURNAL OF ADVANCED BIOLOGICAL AND BIOMEDICAL RESEARCH (IJABBR), vol. 2, no. 6, pp. 2008–2014, 2014, [Online]. Available: https://sid.ir/paper/339037/en

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