MEASURMENT AND CORRELATION OF SOLID-LIQUID EQUILIBRIA OF 4-HYDROXYBENZALDEHYDE AND ITS BROMO-COMPOUNDS

Abstract

Abstract: Solid-liquid equilibrium data for three binary systems: 4-hydroxybenzaldehyde/3-bromo-4- hydroxybenzaldehyde,4-hydroxybenzaldehyde/3,5-dibromo-4-hydroxybenzaldehyde,3-bromo-4-hydroxy-benzaldehyde/3,5-dibromo-4-hydroxybenzaldehyde were determined by differential scanning calorimetry and corresponding phase diagrams were given.λh equation and Wilson equation were used to correlate the data. It was shown that the results obtained by two models were both satisfactory.

Key words:

固液平衡, 4-羟基苯甲醛, 3-溴-4-羟基苯甲醛, 3,5-二溴-4-羟基苯甲醛, 关联, 差示扫描量热法

关键词:

固液平衡, 4-羟基苯甲醛, 3-溴-4-羟基苯甲醛, 3,5-二溴-4-羟基苯甲醛, 关联, 差示扫描量热法

WEI Dongwei, JIANG Haoxi, YUAN Jitang, JING Xin. MEASURMENT AND CORRELATION OF SOLID-LIQUID EQUILIBRIA OF 4-HYDROXYBENZALDEHYDE AND ITS BROMO-COMPOUNDS[J]. CIESC Journal, 2003, 54(10): 1459-1462.

魏东炜, 姜浩锡, 袁继堂, 井欣. 4-羟基苯甲醛及其溴代物固液平衡数据测定与关联 [J]. 化工学报, 2003, 54(10): 1459-1462.

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MEASURMENT AND CORRELATION OF SOLID-LIQUID EQUILIBRIA OF 4-HYDROXYBENZALDEHYDE AND ITS BROMO-COMPOUNDS

4-羟基苯甲醛及其溴代物固液平衡数据测定与关联

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