Measurement and Correlation for the Solid Solubility of Antioxidants Sodium L-Ascorbate and Sodium Erythorbate Monohydrate in Supercritical Carbon Dioxide

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Title:	Measurement and Correlation for the Solid Solubility of Antioxidants Sodium L-Ascorbate and Sodium Erythorbate Monohydrate in Supercritical Carbon Dioxide
Authors:	Wang, Tzu-Chi Chang, Po-Chao
Contributors:	Dept Chem & Mat Engn
Keywords:	FLUIDS CO2
Date:	2015-03
Issue Date:	2015-10-30 14:13:15 (UTC+8)
Abstract:	In this research, the solubility Of sodium L-ascorbate and that of sodium erythorbate monohydrate, both being antioxidants, in supercritical carbon dioxide are measured. Using,semiflow,type equipment, this experiment gathers the data of solubility for antioxidnats at (308.15, 313.15, and 318,15) K, over a range of pressures from (12 to,24) MPa. The data gleaned from the experiment are forward numerically processed, with the ,use, Of the semiempirical equations presented by Chrastil and by Mendez-Santiago and Teja, to make clear the correlation among various characteristics. The final results are satisfactory: when parameters with optimal fitting are picked to examine the correlation, the average absolute relative deviation (AARD) is under 4 %.
Relation:	JOURNAL OF CHEMICAL AND ENGINEERING DATA 卷: 60 期: 3 頁碼: 790-794
Appears in Collections:	[Department of Chemical & Materials Engineering] journal articles

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