Citation: Mei HUANG, Xian Da WANG, Ren Tian XIONG, Ping Dong WU, Qi Long REN. Determination of Partial Molar Volumes of EPA and DHA Ethyl Esters in Supercritical Carbon Dioxide[J]. Chinese Chemical Letters, ;2002, 13(1): 83-86. shu

Determination of Partial Molar Volumes of EPA and DHA Ethyl Esters in Supercritical Carbon Dioxide

National Laboratory of Secondary Resources Chemical Engineering, Zhejiang University, Hangzhou 310027

Received Date: 11 May 2001

Fund Project: authors are grateful to the National Natural Science Foundation of China for the financial Drt (Project No.29776040).

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.
- EPA and DHA,
- capacity factor,
- partial molar volume,
- supercritical-fluid chromatography
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