Saturated vapor pressure over melts of the binary system NaNO2-KNO3

被引:4
|
作者
Glazov, VI [1 ]
Dukhanin, GP [1 ]
Losev, VA [1 ]
机构
[1] Volgograd State Tech Univ, Volgograd, Russia
关键词
Sodium; Nitrate; Potassium; Nitrite; Partial Pressure;
D O I
10.1023/A:1020312024138
中图分类号
O69 [应用化学];
学科分类号
081704 ;
摘要
The partial pressures of sodium nitrite and potassium nitrate over melts of the binary system NaNO2-KNO3 were measured at 798, 823, and 848 K. Negative deviations of the vapor pressure from Raoult's law, which decrease with increasing temperature, are established. Coefficients A and B of the Clausius-Clapeyron equation, partial molar heats of vaporization, activity and activity coefficient are calculated as functions of composition for potassium nitrate.
引用
收藏
页码:888 / 890
页数:3
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