Electrolytic effects on solubility and Gibbs free energies of 1,4-dihydroxy-9, 10-anthraquinone in aqueous methanol media via UV-Vis spectroscopic and theoretical studies

被引：5

作者：

Guin, Partha Sarathi ^{[1
]}

Roy, Sanjay ^{[1
]}

机构：

[1] Shibpur Dinobundhoo Inst Coll, Dept Chem, Howrah 711102, W Bengal, India

来源：

CHEMICAL PHYSICS LETTERS | 2020年 / 746卷

关键词：

1,4-dihydroxy-9,10-anthraquinone; Solubility; Gibbs free energetic; Density Functional Theory; DL-NOR-VALINE; AMINO-ACIDS; SOLVATION THERMODYNAMICS; ANTHRACYCLINE ACTIVITY; HYDROPHOBIC HYDRATION; ANTICANCER DRUGS; DNA; ANIONS; 1-AMINO-4-HYDROXY-9,10-ANTHRAQUINONE; MACROMOLECULES;

D O I：

10.1016/j.cplett.2020.137292

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

In the study we have estimated the solubility of 1,4-dihydroxy-9,10-anthraquinone (AQ) in aqueous methanol solution without and with the salts sodium chloride and potassium chloride at 298.15 K under barometric pressure by 'spectroscopic method'. The relative solubility data, salting-in/out constants have been calculated to justify the trends of solubility of AQ in aqueous methanol in the presence of salts. Different solvent parameters at standard temperature have been measured. With the help of the solubility data, the solvation energies of solutions (Delta G(s)(0) ) and accordingly the transfer Gibbs energetics have been determined to discuss the chemical stability of AQ in aqueous methanol solutions.

引用

页数：7

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