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北海道大学水産科学研究彙報 = Bulletin of Fisheries Sciences, Hokkaido University >
第64巻 第1号 >

Gas Chromatographic Equivalent Chain Length (ECL) Values of Fatty Acid Methyl Esters on a Highly Polar Ionic Liquid Column, SLB-IL111

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Please use this identifier to cite or link to this item:http://hdl.handle.net/2115/54819

Title: Gas Chromatographic Equivalent Chain Length (ECL) Values of Fatty Acid Methyl Esters on a Highly Polar Ionic Liquid Column, SLB-IL111
Authors: Nakamura, Yutarou Browse this author
Shimizu, Kana Browse this author
Ando, Yasuhiro Browse this author →KAKEN DB
Keywords: gas chromatography
fatty acid
ionic liquid
SLB-IL111
equivalent chain length
fish oil
Issue Date: 14-Mar-2014
Journal Title: 北海道大学水産科学研究彙報
Volume: 64
Issue: 1
Start Page: 9
End Page: 16
Abstract: This paper reports the retention data of fatty acid methyl esters on a novel ionic liquid column, SLB-IL111, which has higher polarity than commercially available columns for gas chromatography (GC). The fatty acids analyzed using GC include branched-chain saturated fatty acids, C16-C22 monounsaturated fatty acid cis/trans and positional isomers, and polyunsaturated fatty acids commonly found in natural products. Fatty acids of sardine oil were also analyzed using GC. GC was carried out on a 100-m column under isothermal conditions within the range 120-170°C, using helium as a carrier gas. The retention data of fatty acid methyl esters were represented by equivalent chain length (ECL) values calculated from the retention times of each fatty acid related to those of saturated fatty acids with an even carbon number. This is novel information, obtained on an SLBIL111 column being operated at various temperatures with a single GC system. The results show that the column temperature greatly affected the ECL values of unsaturated fatty acids. Thus, when using this column for the analysis of fish oil fattya cids, it is necessary to precisely control the column temperature.
Type: bulletin (article)
URI: http://hdl.handle.net/2115/54819
Appears in Collections:北海道大学水産科学研究彙報 = Bulletin of Fisheries Sciences, Hokkaido University > 第64巻 第1号

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