| Determination of Partial Molar Volumes of EPA and DHA Ethyl Esters in Supercritical Carbon Dioxide |
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| 作者姓名： | Mei HUANG Xian Da WANG Ren Tian XIONG Ping Dong WU Qi Long REN* National Laboratory of Secondary Resources Chemical Engineering Zhejiang University Hangzhou |
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| 作者单位： | Mei HUANG，Xian Da WANG，Ren Tian XIONG，Ping Dong WU，Qi Long REN* National Laboratory of Secondary Resources Chemical Engineering，Zhejiang University，Hangzhou 310027 |
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| 摘 要： | The use of supercritical fluids (SCFs) as solvents has been attracting widespread interest in the research and commercial applications. The study of partial molar volumes of solutes at infinite dilution in the near-critical region is of considerable fundamental importance, as these data reflects the interactions occurring between the solute and the solvent. Experimental measurements of partial molar volumes may be divided into two categories: direct and indirect methods. The direct methods…
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Determination of Partial Molar Volumes of EPA and DHA Ethyl Esters in Supercritical Carbon Dioxide |
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| Mei HUANG,Xian Da WANG,Ren Tian XIONG,Ping Dong WU,Qi Long REN* National Laboratory of Secondary Resources Chemical Engineering,Zhejiang University,Hangzhou .Determination of Partial Molar Volumes of EPA and DHA Ethyl Esters in Supercritical Carbon Dioxide[J].Chinese Chemical Letters,2002,13(1). |
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| Authors: | Mei HUANG Xian Da WANG Ren Tian XIONG Ping Dong WU Qi Long REN |
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| Abstract: | The use of supercritical-fluid chromatography for determining partial molar volumes of ethyl esters of cis-5,8,11,14,17-eicosapentaenoic acid (EPA) and cis -4,7,10,13,16,19- docosa-hexaenoic acid (DHA) in supercritical carbon dioxide is presented and discussed. Partial molar volumes of EPA and DHA esters are obtained from the variation of the retention properties with the density of mobile phase at 313.15 K, 323.15 K, 333.15 K and in the pressure range from 9 MPa to 21 MPa. |
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| Keywords: | EPA and DHA capacity factor partial molar volume supercritical-fluid chromatography |
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