کد مقاله | کد نشریه | سال انتشار | مقاله انگلیسی | نسخه تمام متن |
---|---|---|---|---|
5375480 | 1504297 | 2009 | 9 صفحه PDF | دانلود رایگان |
عنوان انگلیسی مقاله ISI
The measurements of coexistence curves and light scattering for 2,6-dimethypyridine + H2O in the critical region
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کلمات کلیدی
موضوعات مرتبط
مهندسی و علوم پایه
شیمی
شیمی تئوریک و عملی
پیش نمایش صفحه اول مقاله
![عکس صفحه اول مقاله: The measurements of coexistence curves and light scattering for 2,6-dimethypyridine + H2O in the critical region The measurements of coexistence curves and light scattering for 2,6-dimethypyridine + H2O in the critical region](/preview/png/5375480.png)
چکیده انگلیسی
The coexistence curves and light scattering data for the critical solution of 2,6-dimethypyridine (2,6-DMP) + H2O have been reported. The critical exponents β, γ, and ν have been deduced. The experimental results of the coexistence curves have also been analyzed to examine the Wegner correction terms and the behavior of the diameter of the coexistence curves. The light scattering data are well described by the crossover model proposed by Anisimov and Sengers, and the effective critical exponents γ and ν show nonmonotonic crossovers from the 3D-Ising values to the mean-field ones as the temperature departures from the critical point. Furthermore, as the distance from the critical point increases, the values of effective critical exponents of the refractive-index and the volume fraction decrease while that of the mole fraction increases, however after the regular terms are subtracted, the nonmonotonic crossovers from Ising to mean-field critical behavior are exhibited.
ناشر
Database: Elsevier - ScienceDirect (ساینس دایرکت)
Journal: Chemical Physics - Volume 361, Issues 1â2, 30 June 2009, Pages 35-43
Journal: Chemical Physics - Volume 361, Issues 1â2, 30 June 2009, Pages 35-43
نویسندگان
Jin-Shou Wang, Xue-Qin An, He-Kun Lv, Shou-Ning Chai, Wei-Guo Shen,