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Gas Chromatographic Trace Analysis Of Water In Ethanol And Its Application To A Problem In Paper Chromatography
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Book Synopsis Gas Chromatographic Trace Analysis of Water in Ethanol and Its Application to a Problem in Paper Chromatography by : Betty Bell Woodward Weinberg
Download or read book Gas Chromatographic Trace Analysis of Water in Ethanol and Its Application to a Problem in Paper Chromatography written by Betty Bell Woodward Weinberg and published by . This book was released on 1962 with total page 122 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Chromatographic Determination of Some Trace Organic Compounds in Alcoholic Beverages by : Matti Lehtonen
Download or read book The Chromatographic Determination of Some Trace Organic Compounds in Alcoholic Beverages written by Matti Lehtonen and published by . This book was released on 1982 with total page 60 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory by : Donna L. Rose
Download or read book Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory written by Donna L. Rose and published by . This book was released on 2003 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Determination of Volatile Organic Compounds at the [micro]g/1 Level in Water by Gas Chromatography by : Thomas A. Bellar
Download or read book The Determination of Volatile Organic Compounds at the [micro]g/1 Level in Water by Gas Chromatography written by Thomas A. Bellar and published by . This book was released on 1974 with total page 44 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Gas Chromatographic Method for the Determination of Trace Quantities of Diethyl Malonate in Ethanol by : Juan D. Lopez
Download or read book Gas Chromatographic Method for the Determination of Trace Quantities of Diethyl Malonate in Ethanol written by Juan D. Lopez and published by . This book was released on 1988 with total page 13 pages. Available in PDF, EPUB and Kindle. Book excerpt: This report presents and experimental study conducted to determine a method for analytically detecting and determining trace quantities of diethyl malonate (DEM) in ethyl alcohol using a gas chromatograph equipped with a flame ionization detector. The method developed proved to be effective for determining trace quantities at a concentration (mean) range of 21-840 ng. A linear fit was obtained at this range with an average slope of 1.4032 + or - 0.0063 x 10 to the -7th micro g/au and an intercept of 0.0359 + or - 0.0359 micro g. The correlation coefficient was 0.9996 + or - 0.0009. Based on replicate injections, the accuracy of this method was within + or - 2.4%. Keywords: Chemical analysis, Gas chromatographic method, Diethyl malonate, Ethanol, Ethyl alcohol. (MJM).
Book Synopsis Industrial Gas Chromatographic Trace Analysis by : Horst Hachenberg
Download or read book Industrial Gas Chromatographic Trace Analysis written by Horst Hachenberg and published by John Wiley & Sons. This book was released on 1973 with total page 234 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Masters Theses and Doctoral Dissertations in the Pure and Applied Sciences Accepted by Colleges and Universities of the United States by :
Download or read book Masters Theses and Doctoral Dissertations in the Pure and Applied Sciences Accepted by Colleges and Universities of the United States written by and published by . This book was released on 1961 with total page 448 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Food Flavors: Generation, Analysis and Process Influence by : G. Charalambous
Download or read book Food Flavors: Generation, Analysis and Process Influence written by G. Charalambous and published by Elsevier. This book was released on 1995-02-21 with total page 1151 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this book, major emphasis is placed on the effects of processing and food components upon the flavor of foods and beverages. Topics discussed include: roasting of peanuts; extrusion of cooking poultry; spray drying of natural flavor materials; cooking rates of foods; gamma radiation of packaging films; stir-frying of sautéd flavors; emulsification properties of egg yolk and lupin proteins; the interaction of flavor compounds with flour, starch, and polysaccharides; factors affecting development of flavor in whisky, wines, fermented products, alcohol precursors, and model food systems; applications of enzymes for production of flavor in fish, lobster and pork; and the development and application of analytical methods for isolation and identification of volatile compounds and flavors from a variety of food products. Information presented in this book will be useful to chemists, scientists, and technologists working in flavor chemistry, food product research and development, and food quality control.
Book Synopsis The Concentration of High Boiling Impurities from Low Boiling Compounds by Reverese Flow Gas Chromatography by : Amos S. Newton
Download or read book The Concentration of High Boiling Impurities from Low Boiling Compounds by Reverese Flow Gas Chromatography written by Amos S. Newton and published by . This book was released on 1971 with total page 26 pages. Available in PDF, EPUB and Kindle. Book excerpt: The characteristics of gas chromatography peaks arising from various compounds when the column flow is reversed has been studied. It is shown that all compounds are eluted after reversal of the flow with the peak maximum at a time equal to or less than the time of flow reversal. The half width of the reverse peak is determined by a constant related to the number of plates in the column, and the square root of twice the time of flow reversal multiplied by the square root of the time of emergence of the compound when run in the forward direction. The method appears applicable to the concentration of trace high boiling impurities in any matrix in which the bulk components can be rapidly eluted through a suitable column.
Book Synopsis Checklist of Theses and Dissertations Accepted for Higher Degrees at the University of Arizona by : University of Arizona. Library
Download or read book Checklist of Theses and Dissertations Accepted for Higher Degrees at the University of Arizona written by University of Arizona. Library and published by . This book was released on 1965 with total page 550 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Gas Chromatographic Method for Ethanol Determination in Vapors of Biological Fluids by : L. Karnitis
Download or read book A Gas Chromatographic Method for Ethanol Determination in Vapors of Biological Fluids written by L. Karnitis and published by . This book was released on 1972 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: Rapid identification and quantitation of blood ethanol by gas chromatography (GC) has been especially useful to the clinical and forensic chemist, particularly as court evidence in prosecuting drunken drivers. Certain identification can be made and concentration determined rapidly by GC. A number of GC methods are available for ethanol determination in biological liquid samples. Currently, advances are being made in the area of vapor phase analysis [1-4]. Direct vapor injections overcome several disadvantages of liquid sample injection. Liquid samples containing sodium fluoride as a preservative tend to etch the syringe. Clotted samples are no longer a problem with vapor injections and frequent cleaning of the syringe is not required. With direct injection of blood or diluted blood samples, special inlets are necessary and must be changed periodically to remove protein and other nonvolatile deposits. In addition, the life of the columns is increased with vapor samples. According to Henry's law, at a given temperature there is a definite ratio between the concentration of ethanol in the blood phase and the air in direct equilibrium with it. Investigators have verified Henry's law [5-10] for both aqueous and blood ethanol solutions. The method described here consists of equilibrating blood with n-propanol as internal standard and injecting the vapors. Because of the internal standard, the volume of the injected sample is no longer a critical quantity.
Book Synopsis Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory by : Mary C. Olson
Download or read book Methods of Analysis by the U.S. Geological Survey National Water Quality Laboratory written by Mary C. Olson and published by . This book was released on 2004 with total page 62 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis A Programmed Introduction to Gas-liquid Chromatography by : James Bulmer Pattison
Download or read book A Programmed Introduction to Gas-liquid Chromatography written by James Bulmer Pattison and published by . This book was released on 1973 with total page 372 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Selected Water Resources Abstracts by :
Download or read book Selected Water Resources Abstracts written by and published by . This book was released on 1974 with total page 1204 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Rapid, Automated Gas Chromatographic Detection of Organic Compounds in Ultra-pure Water by :
Download or read book Rapid, Automated Gas Chromatographic Detection of Organic Compounds in Ultra-pure Water written by and published by . This book was released on 2000 with total page 27 pages. Available in PDF, EPUB and Kindle. Book excerpt: An automated gas chromatography was used to analyze water samples contaminated with trace (parts-per-billion) concentrations of organic analytes. A custom interface introduced the liquid sample to the chromatography. This was followed by rapid chromatographic analysis. Characteristics of the analysis include response times less than one minute and automated data processing. Analytes were chosen based on their known presence in the recycle water streams of semiconductor manufacturers and their potential to reduce process yield. These include acetone, isopropanol, butyl acetate, ethyl benzene, p-xylene, methyl ethyl ketone and 2-ethoxy ethyl acetate. Detection limits below 20 ppb were demonstrated for all analytes and quantitative analysis with limited speciation was shown for multianalyte mixtures. Results are discussed with respect to the potential for on-line liquid process monitoring by this method.
Book Synopsis A Manual of Paper Chromatography and Paper Electrophoresis by : Richard Joseph Block
Download or read book A Manual of Paper Chromatography and Paper Electrophoresis written by Richard Joseph Block and published by . This book was released on 1955 with total page 502 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Flow Perturbation Gas Chromatography by : A. Katsanos
Download or read book Flow Perturbation Gas Chromatography written by A. Katsanos and published by CRC Press. This book was released on 2020-10-14 with total page 320 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book discusses flow perturbation method, namely, the stopped-flow technique and the reversed-flow technique. It is directed to those who need an accurate method for the determination of a certain physicochemical quantity and to researchers working on the development of gas chromatography.
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