Quantitative Determination Of Hydrocarbon Group Types Via High Performance Liquid Chromatography With Dielectric Constant Detection

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Quantitative Determination of Hydrocarbon Group-Types Via High Performance Liquid Chromatography with Dielectric Constant Detection

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Author : P. C. Hayes (Jr.)
Publisher :
ISBN 13 :
Total Pages : 57 pages
Book Rating : 4.:/5 (227 download)

Book Synopsis Quantitative Determination of Hydrocarbon Group-Types Via High Performance Liquid Chromatography with Dielectric Constant Detection by : P. C. Hayes (Jr.)

Download or read book Quantitative Determination of Hydrocarbon Group-Types Via High Performance Liquid Chromatography with Dielectric Constant Detection written by P. C. Hayes (Jr.) and published by . This book was released on 1985 with total page 57 pages. Available in PDF, EPUB and Kindle. Book excerpt: A dielectric constant (DC) detector for high performance liquid chromatography (HPLC) is the basis of an accurate and versatile hydrocarbon group-type analysis of petroleum-and shale-derived distillate fuels. The method can saturates (+ olefins), alkyl benzenes, and polycyclic aromatics in hydrocarbon liquids below 600 C. The HPLC separation is achieved with three columns in series, i.e., two (2) five micrometer Partisil PAC columns preceding a ten micrometer TENF column, and using n-butyl chloride as the mobile phase. A simple three-component standard mixture is all that is required to calibrate the method. The DC detector ensures a genuine uniformity of response (less than 2.5% RSD) for each hydrocarbon group-type independent of the carbon-number distribution of the sample. Based on simple and complex hydrocarbon standard solutions, the accuracy for each structural group-type is within 2% absolute with a chromatographic limit of detection of approximately 150 ng for a late eluting solute (biphenyl).

Quantitative Determination of Saturates, Olefins, and Aromatics in Hydrocarbon Distillate Products Using High-Performance Liquid Chromatography with Dielectric Constant Detection (HPLC-DC).

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Author : Paul C. Hayes (Jr.)
Publisher :
ISBN 13 :
Total Pages : 60 pages
Book Rating : 4.:/5 (43 download)

Book Synopsis Quantitative Determination of Saturates, Olefins, and Aromatics in Hydrocarbon Distillate Products Using High-Performance Liquid Chromatography with Dielectric Constant Detection (HPLC-DC). by : Paul C. Hayes (Jr.)

Download or read book Quantitative Determination of Saturates, Olefins, and Aromatics in Hydrocarbon Distillate Products Using High-Performance Liquid Chromatography with Dielectric Constant Detection (HPLC-DC). written by Paul C. Hayes (Jr.) and published by . This book was released on 1986 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt: A dielectric constant (DC) detector for high-performance liquid chromatography (HPLC) is the basis of a rapid and accurate hydrocarbon group-type analysis. This novel method can determine saturates, olefins, and total aromatics in hydrocarbon liquids with distillation endpoints of at least 400 deg C. The HPLC separation is achieved using a single, 5-micron olefin-selective column, a backflush valve, and Freon 123 as the mobile phase. The DC detector ensures a genuine uniformity of response (less than 2.5% RSD) for each hydrocarbon group type, independent of the carbon number distribution of the sample. Unity response factors are sufficient. On the basis of complex solutions of hydrocarbon standards, the accuracy for each structural group type is within one percent absolute. The chromatographic limit of detection is less than 0.5 volume percent (800 ng) for the last eluting hydrocarbon group, i.e., the backflushed olefins.

Scientific and Technical Aerospace Reports

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Author :
Publisher :
ISBN 13 :
Total Pages : 1108 pages
Book Rating : 4.:/5 (31 download)

Book Synopsis Scientific and Technical Aerospace Reports by :

Download or read book Scientific and Technical Aerospace Reports written by and published by . This book was released on 1986 with total page 1108 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Identification of Hydrocarbon Types in "ultrasene"

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Author : Richard N. Wilhite
Publisher :
ISBN 13 :
Total Pages : 16 pages
Book Rating : 4.3/5 (91 download)

Book Synopsis Identification of Hydrocarbon Types in "ultrasene" by : Richard N. Wilhite

Download or read book Identification of Hydrocarbon Types in "ultrasene" written by Richard N. Wilhite and published by . This book was released on 1961 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Hydrocarbon Group Type Determination in Jet Fuels by High Performance Liquid Chromatography

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Author :
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ISBN 13 :
Total Pages : 13 pages
Book Rating : 4.:/5 (929 download)

Book Synopsis Hydrocarbon Group Type Determination in Jet Fuels by High Performance Liquid Chromatography by :

Download or read book Hydrocarbon Group Type Determination in Jet Fuels by High Performance Liquid Chromatography written by and published by . This book was released on 1977 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Group-type Hydrocarbon Standards for High-performance Liquid Chromatographic Analysis of Middistillate Fuels

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Author : Dumas A. Otterson
Publisher :
ISBN 13 :
Total Pages : 24 pages
Book Rating : 4.:/5 (31 download)

Book Synopsis Group-type Hydrocarbon Standards for High-performance Liquid Chromatographic Analysis of Middistillate Fuels by : Dumas A. Otterson

Download or read book Group-type Hydrocarbon Standards for High-performance Liquid Chromatographic Analysis of Middistillate Fuels written by Dumas A. Otterson and published by . This book was released on 1984 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt:

High Performance Liquid Chromatographic Hydrocarbon Group-type Analyses of Mid-distillates Employing Fuel-derived Fractions as Standards

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Author :
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ISBN 13 :
Total Pages : 22 pages
Book Rating : 4.:/5 (317 download)

Book Synopsis High Performance Liquid Chromatographic Hydrocarbon Group-type Analyses of Mid-distillates Employing Fuel-derived Fractions as Standards by :

Download or read book High Performance Liquid Chromatographic Hydrocarbon Group-type Analyses of Mid-distillates Employing Fuel-derived Fractions as Standards written by and published by . This book was released on 1983 with total page 22 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Group-Type Hydrocarbon Standards for High-Performance Liquid Chromatographic Analysis of Middistillate Fuels

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Author : National Aeronautics and Space Administration (NASA)
Publisher : Createspace Independent Publishing Platform
ISBN 13 : 9781723450747
Total Pages : 24 pages
Book Rating : 4.4/5 (57 download)

Book Synopsis Group-Type Hydrocarbon Standards for High-Performance Liquid Chromatographic Analysis of Middistillate Fuels by : National Aeronautics and Space Administration (NASA)

Download or read book Group-Type Hydrocarbon Standards for High-Performance Liquid Chromatographic Analysis of Middistillate Fuels written by National Aeronautics and Space Administration (NASA) and published by Createspace Independent Publishing Platform. This book was released on 2018-07-20 with total page 24 pages. Available in PDF, EPUB and Kindle. Book excerpt: A new high-performance liquid chromatographic (HPLC) method for group-type analysis of middistillate fuels is described. It uses a refractive index detector and standards that are prepared by reacting a portion of the fuel sample with sulfuric acid. A complete analysis of a middistillate fuel for saturates and aromatics (including the preparation of the standard) requires about 15 min if standards for several fuels are prepared simultaneously. From model fuel studies, the method was found to be accurate to within 0.4 vol% saturates or aromatics, and provides a precision of + or - 0.4 vol%. Olefin determinations require an additional 15 min of analysis time. However, this determination is needed only for those fuels displaying a significant olefin response at 200 nm (obtained routinely during the saturated/aromatics analysis procedure). The olefin determination uses the responses of the olefins and the corresponding saturates, as well as the average value of their refractive index sensitivity ratios (1.1). Studied indicated that, although the relative error in the olefins result could reach 10 percent by using this average sensitivity ratio, it was 5 percent for the fuels used in this study. Olefin concentrations as low as 0.1 vol% have been determined using this method. Otterson, D. A. and Seng, G. T. Glenn Research Center NASA-TP-2317, E-1931, NAS 1.60:2317

Fossil Energy Update

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Publisher :
ISBN 13 :
Total Pages : 746 pages
Book Rating : 4.:/5 (31 download)

Book Synopsis Fossil Energy Update by :

Download or read book Fossil Energy Update written by and published by . This book was released on 1986 with total page 746 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Petroleum products - Determination of aromatic hydrocarbon types in middle distillates - High performance liquid chromatography method with refractive index detection

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Author :
Publisher :
ISBN 13 : 9788325108069
Total Pages : 16 pages
Book Rating : 4.1/5 (8 download)

Book Synopsis Petroleum products - Determination of aromatic hydrocarbon types in middle distillates - High performance liquid chromatography method with refractive index detection by :

Download or read book Petroleum products - Determination of aromatic hydrocarbon types in middle distillates - High performance liquid chromatography method with refractive index detection written by and published by . This book was released on 2006 with total page 16 pages. Available in PDF, EPUB and Kindle. Book excerpt:

CJChE

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ISBN 13 :
Total Pages : 734 pages
Book Rating : 4.:/5 (7 download)

Book Synopsis CJChE by :

Download or read book CJChE written by and published by . This book was released on 2004-08 with total page 734 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Petroleum Products. Determination of Aromatic Hydrocarbon Types in Middle Distillates. High Performance Liquid Chromatography Method with Refractive Index Detection

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Author : British Standards Institute Staff
Publisher :
ISBN 13 : 9780580498039
Total Pages : 20 pages
Book Rating : 4.4/5 (98 download)

Book Synopsis Petroleum Products. Determination of Aromatic Hydrocarbon Types in Middle Distillates. High Performance Liquid Chromatography Method with Refractive Index Detection by : British Standards Institute Staff

Download or read book Petroleum Products. Determination of Aromatic Hydrocarbon Types in Middle Distillates. High Performance Liquid Chromatography Method with Refractive Index Detection written by British Standards Institute Staff and published by . This book was released on 2006-12-29 with total page 20 pages. Available in PDF, EPUB and Kindle. Book excerpt: Petroleum, Petroleum technology, Petroleum products, Chemical analysis and testing, Determination of content, Aromatic hydrocarbons, Distillation methods of analysis, Liquid chromatography, Refractive index, Aromatic compounds, Diesel fuels, Contaminants

The Application of High-Performance Liquid Chromatography to the Analysis of Petroleum Materials. Part 2. Quantitative Hydrocarbon-Type Analysis

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Author : George E. Fodor
Publisher :
ISBN 13 :
Total Pages : 28 pages
Book Rating : 4.:/5 (227 download)

Book Synopsis The Application of High-Performance Liquid Chromatography to the Analysis of Petroleum Materials. Part 2. Quantitative Hydrocarbon-Type Analysis by : George E. Fodor

Download or read book The Application of High-Performance Liquid Chromatography to the Analysis of Petroleum Materials. Part 2. Quantitative Hydrocarbon-Type Analysis written by George E. Fodor and published by . This book was released on 1975 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt: Quantitative hydrocarbon type analysis of middle distillate petroleum products, with emphasis on straight-run (olefin-free) diesel fuels has been accomplished by high performance liquid chromatography using silica gel absorbents.

Analytical Advances for Hydrocarbon Research

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Author : Chang Samuel Hsu
Publisher : Springer Science & Business Media
ISBN 13 : 144199212X
Total Pages : 483 pages
Book Rating : 4.4/5 (419 download)

Book Synopsis Analytical Advances for Hydrocarbon Research by : Chang Samuel Hsu

Download or read book Analytical Advances for Hydrocarbon Research written by Chang Samuel Hsu and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 483 pages. Available in PDF, EPUB and Kindle. Book excerpt: Determining the composition and properties of complex hydrocarbon mixtures in petroleum, synthetic fuels, and petrochemical products usually requires a battery of analytical techniques that detect and measure specific features of the molecules, such as boiling point, mass, nuclear magnetic resonance frequencies, etc. there have always been a need for new and improved analytical technology to better understand hydrocarbon chemistry and processes. This book provides an overview of recent advances and future challenges in modern analytical techniques that are commonly used in hydrocarbon applications. Experts in each of the areas covered have reviewed the state of the art, thus creating a book that will be useful to readers at all levels in academic, industry, and research institutions.

Modern Supercritical Fluid Chromatography

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Author : Larry M. Miller
Publisher : John Wiley & Sons
ISBN 13 : 1118948394
Total Pages : 416 pages
Book Rating : 4.1/5 (189 download)

Book Synopsis Modern Supercritical Fluid Chromatography by : Larry M. Miller

Download or read book Modern Supercritical Fluid Chromatography written by Larry M. Miller and published by John Wiley & Sons. This book was released on 2019-12-12 with total page 416 pages. Available in PDF, EPUB and Kindle. Book excerpt: Explains why modern supercritical fluid chromatography (SFC) is the leading "green" analytical and purification separations technology. Modern supercritical fluid chromatography (SFC) is the leading method used to analyze and purify chiral and achiral chemical compounds, many of which are pharmaceuticals, pharmaceutical candidates, and natural products including cannabis-related compounds. This book covers current SFC instrumentation as it relates to greater robustness, better reproducibility, and increased analytical sensitivity. Modern Supercritical Fluid Chromatography: Carbon Dioxide Containing Mobile Phases covers the history, instrumentation, method development and applications of SFC. The authors provided readers with an overview of analytical and preparative SFC equipment, stationary phases, and mobile phase choices. Topics covered include: Milestones of Supercritical Fluid Chromatography; Physical Properties of Supercritical Fluids; Instrumentation for SFC; Detection in SFC; Achiral SFC Method Development; Chiral SFC Method Development; and Preparative Scale SFC. The book also includes highlights of modern applications of SFC in the final chapters—namely pharmaceuticals, consumer products, foods, polymers, petroleum-related mixtures, and cannabis—and discusses the future of SFC. Provides a clear explanation of the physical and chemical properties of supercritical fluids, which gives the reader a better understanding of the basis for improved performance in SFC compared to HPLC and GC Describes the advantages of SFC as a green alternative to HPLC and GC for the analysis of both polar, water-soluble, and non-polar analytes Details both achiral and chiral SFC method development, including modifiers, additives, the impact of temperature and pressure, and stationary phase choices Details why SFC is the premier modern preparative chromatographic technique used to purify components of mixtures for subsequent uses, both from performance and economic perspectives Covers numerous detectors, with an emphasis on SFC-MS, SFC-UV, and SFC-ELSD (evaporative light scattering detection) Describes the application of SFC to numerous high-value application areas Modern Supercritical Fluid Chromatography: Carbon Dioxide Containing Mobile Phases will be of great interest to professionals, students, and professors involved in analytical, bioanalytical, separations science, medicinal, petroleum, and environmental chemistries. It will also appeal to pharmaceutical scientists, natural-product scientists, food and consumer-products scientists, chemical engineers, and managers in these areas.

Standard Test Method for Determination of Aromatic Hydrocarbon Types in Middle Distillates-High Performance Liquid Chromatography Method with Refractive Index Detection

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Author :
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ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (14 download)

Book Synopsis Standard Test Method for Determination of Aromatic Hydrocarbon Types in Middle Distillates-High Performance Liquid Chromatography Method with Refractive Index Detection by :

Download or read book Standard Test Method for Determination of Aromatic Hydrocarbon Types in Middle Distillates-High Performance Liquid Chromatography Method with Refractive Index Detection written by and published by . This book was released on with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt:

1987 Abstracts

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ISBN 13 :
Total Pages : 954 pages
Book Rating : 4.:/5 (42 download)

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Download or read book 1987 Abstracts written by and published by . This book was released on 1987 with total page 954 pages. Available in PDF, EPUB and Kindle. Book excerpt: