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| - Solubility and Infinite Dilution Activity Coefficient for5-Chlorovanillin and 4-Chloroguaiacol in Water over theTemperature Range 280 to 363 K
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| - New experimental data regarding the solubility of 5-chloro-4-hydroxy-3-methoxybenzaldehyde and4-chloro-2-methoxyphenol in water were obtained in the temperature range 280 to 363 K. The solubilitieswere measured by means of two techniques, namely high-performance liquid chromatography (HPLC)and total organic carbon (TOC). Considering the sparingly soluble 5-chloro-4-hydroxy-3-methoxybenzaldehyde, the aqueous infinite dilution activity coefficients were also obtained over the same temperaturerange by measuring the aqueous solubilities and the organics' enthalpies of fusion. The values of theinfinite dilution activity coefficients ranged from 120 to 350 with an average relative deviation of 11%.The solubility−temperature dependence for both organics was well represented by conventional Van'tHoff relationships.
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