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Received August 21, 2000
Accepted December 26, 2000
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Solubilities of Calcium and Zinc Lactate in Water and Water-Ethanol Mixture
State Key Laboratory of Bioreactor Engineering, Department of Biochemical Engineering, East China University of Science and Technology, Shanghai, 200237, China 1Department of Biological Engineering, Inha University, 253 Yonghyundong, Namku, Inchon, 402-751, China
Korean Journal of Chemical Engineering, January 2001, 18(1), 133-135(3), 10.1007/BF02707210
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Abstract
The solubility of lactate salts, L(+) and DL(±) forms of calcium and zinc lactate in water at temperature between 5 and 80 ℃, was measured and empirical equations were obtained by regression of solubility-temperature data. The equations can be used to calculate the solubility of calcium and zinc lactate at a given temperature. The change in solubility of L(+) and DL(±) calcium and zinc lactate in water-ethanol mixture at 20 ℃ was also investigated. The solubilities of calcium and zinc lactate were lowered by the addition of ethanol to the solution.
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References
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