Algorithm for surface tension of ethanol-water mixture at 25 degrees Celsius

2011-07-04View Original

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The relationship between the surface tension of the ethanol-water mixture at 25°C and the ethanol concentration is given by: file:///E:/%E7%A7%BB%E5%8A%A8/Temp/msohtml1/01/clip_image002.gif, where σ represents the surface tension of the ethanol-water mixture at 25°C, in N/m； x —— mass fraction of ethanol, %. The surface tension at other temperatures can be determined using the following formula: file:///E:/%E7%A7%BB%E5%8A%A8/Temp/msohtml1/01/clip_image004.gif Where σ1 is the surface tension at temperature T1 ； N/m ； σ2——Surface tension at temperature T2 ； N/m ； TC — the critical temperature of the mixture, TC = ∑*Tci, K ； *——Mole fraction of component i ； TCi — the critical temperature of component i, K.

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Algorithm for surface tension of ethanol-water mixture at 25 degrees Celsius

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