Gradient-elution chromatography using ultraviolet monitors in the analytical fractionation of heavy petroleums

Middleton, William R.

doi:10.1021/ac50157a056

Cited by 29 publications

(7 citation statements)

References 16 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…Analytical schemes developed for studying the molecular composition of high boiling distillates and petroleum residua should provide a base for the study of heavy coal-derived liquids. Several such schemes have been reported previously (Middleton, 1967; Jewell et al, 1972a,b;Drushel, 1972), and all involve a combination of separation techniques to produce well-defined fractions. Other analytical techniques are then used to characterize the detailed molecular species present in each particular fraction.…”

Section: Analytical Resultsmentioning

confidence: 99%

Upgrading Coal Liquids to Gas Turbine Fuels. 1. Analytical Characterization of Coal Liquids

Callen¹,

Bendoraitis²,

Simpson³

et al. 1976

Product R&D

View full text Add to dashboard Cite

He holds a B.S. degree in Chemistry from Boston College and a Ph.D. degree in Chemistry from Notre Dame. Dr. Callen is a member of ACS, ASMS, and Sigma XL His primary research interests have been centered on the development of gas and liquid chromatographic techniques for the analysis of hydrocarbon process streams. Charles A. Simpson is a senior research chemist in the Composition and Structure Research Group. He received his Ph.D. degree in Analytical and Physical Chemistry from the University of Delaware in 1958. His primary research activities are the identification and analysis of complex mixtures, including petroleum residua and related substances. Dr. Simpson is a member of ACS.Joseph G. Bendoraitis is a research associate in the Composition and Structure Research Group. His current interests lie in the development of procedures for the analysis of petroleum and coal-derived materials using mass spectrometry, nuclear resonance, and gas chromatography. He holds a B.S. degree in Chemistry from Wilkes College, an M.S. degree in Chemistry from Lehigh University, and a Ph.D. in Chemistry from Temple University. Dr. Bendoraitis is a member of ACS, ASMS, ASTM, and Sigma XL He has numerous publications in the areas of petroleum analysis, petroleum geochemistry, and radiolysis of hydrocarbons.Sterling E. Voltz is a research associate in the Process Research and Development Section. He is currently working on processes for synthetic fuels. His past industrial experience includes positions at General Electric, Sun Oil, and Houdry Process. Dr. Voltz obtained a Ph.D. in Physical Chemistry from Temple University and he also did graduate work at the University of Pennsylvania. He has numerous patents and publications in catalysis, surface chemistry, kinetics, petroleum and petrochemical processing, synthetic fuels, and automotive emission control. He is a member of ACS, Catalysis Society and Sigma Xi.

show abstract

Section: Analytical Resultsmentioning

confidence: 99%

Upgrading Coal Liquids to Gas Turbine Fuels. 1. Analytical Characterization of Coal Liquids

Callen¹,

Bendoraitis²,

Simpson³

et al. 1976

Product R&D

View full text Add to dashboard Cite

show abstract

“…The nonpolar material including polynuclear aromatics, is eluted with 400 ml of n-pentane and the polar fraction is subsequently eluted with dichloromethane and, if necessary, with acetone. Fractions isolated by gradient elution chromatography were obtained as described in reference (12).…”

Section: Methodsmentioning

confidence: 99%

High resolution mass spectrographic method for the analysis of nitrogen- and oxygen-containing material derived from petroleum

Peters¹,

Bendoraitis²

1976

Anal. Chem.

View full text Add to dashboard Cite

A high resolution (15 000-25 000) high voltage (70 eV) mass spectrographic method for the analysis of , -containlng fractions of petroleum has been developed. The method permits mass and Intensity measurements on up to 2000 peaks per spectrum, and provides Intensity percentages for arbitrary compound classes. The results are consistent with the Robinson and Cook method when applied to aromatic petroleum fractions. The method Is also applied to shale oils and nitrogen-enriched petroleum fractions.

show abstract

“…Horer and Popescu (292) report a method and apparatus for the ultraviolet spectrometric determination of substances on small paper discs. Middleton (432) used two monitors in series to measure heavy petroleum fractions from a partition chromatographic column.…”

Section: Apparatusmentioning

confidence: 99%

Ultraviolet spectrometry

Crummett¹,

Hummel²

1968

Anal. Chem.

View full text Add to dashboard Cite

Gradient-elution chromatography using ultraviolet monitors in the analytical fractionation of heavy petroleums

Cited by 29 publications

References 16 publications

Upgrading Coal Liquids to Gas Turbine Fuels. 1. Analytical Characterization of Coal Liquids

Upgrading Coal Liquids to Gas Turbine Fuels. 1. Analytical Characterization of Coal Liquids

High resolution mass spectrographic method for the analysis of nitrogen- and oxygen-containing material derived from petroleum

Ultraviolet spectrometry

Contact Info

Product

Resources

About