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Measurement and Correlation of the Solubilities of Azoxystrobin, Flutriafol, and Tebuconazole in Subcritical 1,1,1,2-Tetrafluoroethane
Journal of Chemical & Engineering Data ( IF 2.6 ) Pub Date : 2018-07-06 , DOI: 10.1021/acs.jced.8b00240
Yufang Zhao 1 , Qingyuan Zhao 1, 2 , Xiaomei Feng 1 , Yuqian Han 1 , Changhu Xue 1
Affiliation  

The equilibrium solubilities of azoxystrobin, flutriafol, and tebuconazole in subcritical 1,1,1,2-tetrafluoroethane (R134a) were measured using a static method. After tests to confirm the reliability of the experimental apparatus were carried out and the reliability was confirmed, measurements of the solubilities of the three fungicides were implemented at temperatures of 298.15, 313.15, and 333.15 K over the pressure range of 6.0–16.0 MPa. The results indicated that the solubilities increased with increasing pressure under isothermal conditions and increased with increasing temperature at a fixed pressure. To generalize the experimental results, five semiempirical density-based models were employed to correlate the solubility data, including the Chrastil, Kumar and Johnston (K–J), Mendez-Santiago and Teja (M–S–T), Sung and Shim (S–S), and Adachi and Lu (A–L). The measured data showed reasonable agreement with the calculated results from models, for which the average absolute deviation (AARD) in the solubility correlation is from 0.0924 to 4.06%. Additionally, naphthalene has the effect of promoting dissolution as a cosolute in the process of determining the solubilities of fungicides by shorting the equilibrium time.

中文翻译:

亚唑菌酯,氟虫草和丁康唑在亚临界1,1,1,2-四氟乙烷中的溶解度的测量和相关性

使用静态方法测量亚临界氧1,3,2,4-四氟乙烷(R134a)中嘧菌酯,氟替莫非和戊唑醇的平衡溶解度。在进行测试以确认实验设备的可靠性并确认可靠性之后,在6.0-16.0 MPa的压力范围内,在298.15、313.15和333.15 K的温度下对三种杀菌剂的溶解度进行了测量。结果表明,在等温条件下,溶解度随压力的增加而增加,在固定压力下,溶解度随温度的增加而增加。为了概括实验结果,采用了五个基于半经验密度的模型来关联溶解度数据,包括Chrastil,Kumar和Johnston(K–J),Mendez-Santiago和Teja(M–S–T),Sung和Shim( S–S),以及足立和陆(A–L)。实测数据显示与模型计算结果合理吻合,其溶解度相关性的平均绝对偏差(AARD)为0.0924至4.06%。另外,萘具有通过缩短平衡时间而在确定杀真菌剂的溶解度的过程中促进作为溶质的溶解的作用。
更新日期:2018-07-08
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