Solubility determination and correlation for spirotetramat in different solvent systems at T=278.15-318.15 K

被引:7
作者
Yuan, Mengjie [1 ]
Yuan, Peiquan [1 ]
Liu, Baoshu [1 ]
Sun, Hua [1 ]
机构
[1] Hebei Univ Sci & Technol, Coll Chem & Pharmaceut Engn, Shijiazhuang 050018, Hebei, Peoples R China
关键词
Spirotetramat; Solubility; Thermodynamic model; Solvent effect; DISODIUM 5'-GUANYLATE HEPTAHYDRATE; WATER; MIXTURES; ETHANOL; METHANOL; NRTL;
D O I
10.1016/j.jct.2022.106854
中图分类号
O414.1 [热力学];
学科分类号
摘要
The solubility of spirotetramat in four binary solvents (methanol + water, ethanol + water, isopropanol + water, acetone + water) were studied by laser monitoring observation technique. The solubility data of spirotetramat in binary mixed solvents were subsequently fitted by the modified Apelblat model, lambda h model, Van't Hoff model, Jouyban-Acree model and NRTL model. The results showed that Apelblat model and Van't Hoff model were more suitable for fitting the solubility data. Furthermore, the effects of the solute-solvent intermolecular interactions on the solubility were analyzed using the KAT-LSER model. The results showed that the dipolar/polarizability of the solvent had the greatest influence on the solubility of spirotetramat.
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页数:9
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