On a pressure — temperature P—T diagram, the line separating the two phases is known as the coexistence curve. The Clausius—Clapeyron relation gives the slope of the tangents to this curve. The Clausius—Clapeyron relation characterizes behavior of a closed system during a phase change , during which temperature and pressure are constant by definition. Therefore, [3] : Using the appropriate Maxwell relation gives [3] :

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Por lo general, para alimentos en polvo el contenido de humedad a una cierta actividad de agua, decrece a medida que aumenta la temperatura [8].

El modelo de GAB ha sido ampliamente utilizado en muchos alimentos y cereales en polvo. TSAMI et al. Official Method of Analysis. Water sorption isotherm of starch powders Part 1: mathematical description of experimental data.

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Isosteric heats of water vapor sorption on dehydrated foods. Part I. Analysis of the differential heat curves. On the temperature dependence of isosteric heats of water sorption in dehydrated foods.

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Clausius–Clapeyron relation



Correlation of Vapor Pressure at Different Temperatures by Clausius Clapeyron Equation Calculator


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