Separation of the methyl esters of oleic, linoleic, and linolenic acids by column chromatography using cation exchange resin containing silver ion

Wurster, Charles F.; Copenhaver, John H.; Shafer, Paul R.

doi:10.1007/bf02822454

Cited by 22 publications

(5 citation statements)

References 6 publications

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“…Silver nitrate-impregnated silica gel (1846,2199) has great resolving power, and will produce an isotope effect with tritium-labeled fatty acids (1846). In the separation of the methyl esters of unsaturated Ci8 acids, the silver ion was fixed on a cation exchange resin (2279). Reversed-phase partition methods have been described (74,166,2156) as well as some partition systems for methyl docosahexaenoate hydroperoxides (572), oxidative and thermal fatty acid dimers (492), and fatty acids in silage (1749) and in anaerobic digester liquors (753).…”

Section: Tetranitrobenzylpolystyrenementioning

confidence: 99%

Chromatography

Heftmanń¹

1966

Anal. Chem.

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Section: Tetranitrobenzylpolystyrenementioning

confidence: 99%

Chromatography

Heftmanń¹

1966

Anal. Chem.

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Section: Multicolumn Systemsmentioning

confidence: 99%

“…Bile acid conjugates (182), aldehydes (88), and methyl esters of unsaturated fatty acids (473) were separated by ion exchange procedures. This latter paper (473) employed resin columns containing silver ion. Amines were separated by ligand exchange on cation exchange resins loaded with nickel ions (281) and different cation exchangers for the separation of amines were compared (223).…”

Section: Multicolumn Systemsmentioning

confidence: 99%

Biochemical Analysis

Hamilton¹

1966

Anal. Chem.

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review covers the two year period commencing January 1, 1964 through December 31,1965, following directly on the previous review of the same title (201) in Analytical Chemistry.Those papers which describe advances and improvements in methods and instrumentation as applied to determinations in the field of biochemistry are listed.Routine applications of standard methods are not reported. For these reasons, references to many excellent papers were omitted. Even with such an arbitrary selection, many papers of importance and interest had to be noted and as a consequence critical appraisal had to be virtually eliminated.COMMUNICATION AIDS, NEW JOURNALS, AND NEW BOOKS

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“…Hammonds and Shone (46) obtained complete separation of methyl linoleate, laurate, linolenate, and myristate with thin layer chromatography. Fatty acid methyl esters have been separated by thin layer chromatography (117) and by column chromatography (156).…”

Section: Oils and Fatty Acidsmentioning

confidence: 99%

“…Various phenol-formaldehyde resins were examined by infrared spectrometry (19) and the methods of identification developed utilized the 6to 7-micron and the 8.1to 8.2-micron regions of the spectrum. Wurst (156) outlined the separation and the determination of linear and cyclic poly-(dimethyl siloxanes) by gas chroniatography. A4n internal st'andard was used for quantitative work.…”

mentioning

confidence: 99%

Coatings

Swann¹,

Adams²,

Esposito³

1965

Anal. Chem.

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Coating and Chemical laboratory, Aberdeen Proving Ground, Md.H E IMPORTANT CONTRIBUTIONS to T the analysis of coating materials as selected by the reviewers since the previous summary (137) are contained in this biennial review. The period covered extends from November 1962 through December 1964, although a few significant foreign publications, located by abstracts, may predate this ccverage. In this attempt to be selective, it is hoped that valuable publicat i m s have not been omitted. Other similar reviews were made within this pericd (102)(103)(104) 106) in addition to home studies of special subjects. The annual revieus of analytical methods for the examination of oils and fatty acids (81, 82) are very comprehensive.Firestone (56) reviewed available methods for analyzing polymerized fats and oils and James (51) prepared a comprehensive revieh of analytical procedures for separating naturally occurring fatty acids including cisand trans-isomers.The fifth edition of "Standard Methods for the Analysis of Oils, Fats and Soaps" (153) has been published and includes a number of physical and chemical test methods not found in the 10-year old fourth edition. Over one-half of the 122 pages of "Prog~ess in the Chemistry of Fats and Other Lipids" (52) are devoted to the applications of gas chromatography in this field.Boekenoogen (15) has edited the first volume of a work surveying the entire field of analysis of oils and fats.h review of the uses of gas liquid chromatography in the field of drying oils was prepared (40) while several reviews (53, 105,118) are concerned with application of gas chromatography to analysis and research in the field of coatings in general. Two new books on the subject of thin layer chromatography (14,113) include methods for separations of such coating materials as oils, fatty acids, plasticizers, and carboxylic acids. Rybicka (119) prepared a survey of thin layer chromatography with special reference to the problems of the paint analyst. A review t,hat also includes some original methods for the analysis of alkyd resins (115) was prepared in which the analyt,ical scheme was divided into physical tests and chemical tests.Two reviews (72, 127) of the analysis of synthetic resins in general were published; the one by Kupfer contains 227 references. Lucchesi (78) prepared a paper on the role of analytical tools in coating research, commenting mostly on the applications of nuclear magnetic resonance, gel permeation c hromatogral ihy , and attenuated total reflectance for surface analysis. Valentine (146) discussed the use of the electron microsope and the Coulter counter, as well as reflectance spectrophotometry for the study of paint films.The Office of Technical Services of the U. S. Department of Commerce prepared a selective bibliography (145) of its available reports on paints and varnishes, collected from 1945 through 1963; unfortunately, however, many available reports on the subject were omitted from the listing. GENERAL ANALYTICAL SCHEMES13y far the greatest nuinber of contributions...

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Separation of the methyl esters of oleic, linoleic, and linolenic acids by column chromatography using cation exchange resin containing silver ion

Cited by 22 publications

References 6 publications

Chromatography

Chromatography

Biochemical Analysis

Coatings

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