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HPLC separation and characterization of nickle geoporphyrins

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Date Issued:
1992
Summary:
HPLC separation of nickel geoporphyrin homologues and isomers has been markedly enhanced by a number of modifications of previously disclosed methods. A general, more efficient and reproducible method has been developed. A C18 3-micron reverse phase column with a programmed gradient binary mobile phase composed of solvent A which is methanol, water and solvent B which consists of methanol modified by the addition of powerful ligand; a consistent ratio of organic salt is added into this solvent system to increase ionic strength of mobile phase. Straightforward HPLC separations of some marine sediment and oil shale extracts (nickel porphyrins) without demetallation have been successfully achieved. Most attention has been focused on Cowboy Gilsonite and Bakken oil-shale. Individual fractions have been collected and analyzed by UV-VIS, NMR, Mass spectrometry. Known compounds were used for co-chromatographic and spectroscopic reference.
Title: HPLC separation and characterization of nickle geoporphyrins.
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Name(s): Zeng, Shaochuan
Florida Atlantic University, Degree Grantor
Baker, Earl W., Thesis Advisor
Type of Resource: text
Genre: Electronic Thesis Or Dissertation
Issuance: monographic
Date Issued: 1992
Publisher: Florida Atlantic University
Place of Publication: Boca Raton, Fla.
Physical Form: application/pdf
Extent: 120 p.
Language(s): English
Summary: HPLC separation of nickel geoporphyrin homologues and isomers has been markedly enhanced by a number of modifications of previously disclosed methods. A general, more efficient and reproducible method has been developed. A C18 3-micron reverse phase column with a programmed gradient binary mobile phase composed of solvent A which is methanol, water and solvent B which consists of methanol modified by the addition of powerful ligand; a consistent ratio of organic salt is added into this solvent system to increase ionic strength of mobile phase. Straightforward HPLC separations of some marine sediment and oil shale extracts (nickel porphyrins) without demetallation have been successfully achieved. Most attention has been focused on Cowboy Gilsonite and Bakken oil-shale. Individual fractions have been collected and analyzed by UV-VIS, NMR, Mass spectrometry. Known compounds were used for co-chromatographic and spectroscopic reference.
Identifier: 14880 (digitool), FADT14880 (IID), fau:11666 (fedora)
Note(s): Thesis (M.S.)--Florida Atlantic University, 1992.
Subject(s): High performance liquid chromatography
Porphyrins
Held by: Florida Atlantic University Libraries
Persistent Link to This Record: http://purl.flvc.org/fcla/dt/14880
Sublocation: Digital Library
Use and Reproduction: Copyright © is held by the author with permission granted to Florida Atlantic University to digitize, archive and distribute this item for non-profit research and educational purposes. Any reuse of this item in excess of fair use or other copyright exemptions requires permission of the copyright holder.
Use and Reproduction: http://rightsstatements.org/vocab/InC/1.0/
Host Institution: FAU
Is Part of Series: Florida Atlantic University Digital Library Collections.