Solubility of β-Carotene in Binary Solvents Formed by Some Hydrocarbons with Dibutyl Ether and 1,2-Dimethoxyethane
Abstract
Experimental results are reported for the solubility of β-carotene in six binary mixed solvents formed by dibutyl ether with cyclohexane, hexane, and toluene and by 1,2-dimethoxyethane with cyclohexane, hexane, and toluene at 293.15 K. A spectral colorimeter was used for analysis of β-carotene concentration. The β-carotene solubility in the pure solvents increases in the order 1,2-dimethoxyethane < hexane < dibutyl ether < cyclohexane < toluene. The solubility data as a function of the binary solvent mass fractions were smoothed by the Myers Scott equation for asymmetric functions.
*
To whom correspondence should be addressed. E-mail: [email protected].
†
Polish Academy of Sciences.
‡
Warsaw University.
§
Drug Institute.
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