High resolution packed column supercritical fluid chromatography of fatty acid methyl esters

Smith, Roger M.; Hyytiäinen, Minna; Felipe, Alejandro V.; Morris, Paul

doi:10.1002/1615-9314(20010301)24:3<208::aid-jssc208>3.3.co;2-g

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“…The influence of pressure, nature and concentration of modifier, stationary phase, and temperature on the separations were described. The use of long, coupled columns was also investigated by Smith et al for the analysis of fatty acid methyl esters (80). Using polar silica columns, the degree of unsaturation had the greatest effect on selectivity.…”

Section: Applicationsmentioning

confidence: 99%

Supercritical Fluid and Unified Chromatography

Chester

Pinkston

2002

Anal. Chem.

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Section: Applicationsmentioning

confidence: 99%

Supercritical Fluid and Unified Chromatography

Chester

Pinkston

2002

Anal. Chem.

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“…The same basic elution patterns were also obtained under supercritical conditions, although the absolute retention was dependent on pressure and temperature. The retention of FAMEs increased with the number of double bonds and their chain length had little influence on the retention as reported [9].…”

Section: Resultsmentioning

confidence: 53%

Separation of fatty acid methyl esters by comprehensive two-dimensional supercritical fluid chromatography with packed columns and programming of sampling duration

Hirata

Sogabe

2004

Analytical and Bioanalytical Chemistry

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Fatty acid methyl esters from various fats and oils were separated by comprehensive two-dimensional supercritical fluid chromatography with conventional packed columns and FID detection. The first dimension was a silica gel column and the second dimension was an ODS column. This combination was largely orthogonal for the separation of fatty acid methyl esters. The first dimension separations were primarily based on the number of double bonds while the second dimension separations were based on the chain length. The highly-ordered chromatograms and improved resolution allowed the easy detection and identification of minor components. Although the first dimension separations were performed under isobaric conditions where the peak width increased in proportion to the retention, the programming of the sampling duration allowed us to maintain the optimum re-injection frequency (3-4 times) per peak into the second dimension and so to minimize the total analysis time without deteriorating the resolution.

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High resolution packed column supercritical fluid chromatography of fatty acid methyl esters

Cited by 2 publications

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Supercritical Fluid and Unified Chromatography

Supercritical Fluid and Unified Chromatography

Separation of fatty acid methyl esters by comprehensive two-dimensional supercritical fluid chromatography with packed columns and programming of sampling duration

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