Author: W. S. Grinev
Publisher:
ISBN:
Category :
Languages : en
Pages : 10
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The use of the infrared spectra for the quantitative analysis of the products of the oxidation of p-Cymene with acetic acid as the oxidizing agent is described and discussed in this article. A catalyst (cobalt bromide) was added to facilitate the oxidation which was performed at 100C. The analysis was conducted on IKS-12 in the 650-1000, 1650-2000, and 2500-3000/cm ranges. For the different tests, the thickness of the layer was varied from 0.03 to 0.1 cm. Chloroform was the solvent used. The spectra ordinates were taken every 5/cm, and all calculations were performed on the 'Ural 2' electronic computer. It was concluded that by using infrared spectra and the corresponding statistical methods, one can perform the analysis of a complex mixture of the products of a chemical reaction quickly and accurately. Using appropriate statistical models on electronic computers expedites the experimental phase of the development of this type of method. (Author).
Author:
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ISBN:
Category : Science
Languages : en
Pages : 850
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Author:
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ISBN:
Category : Government publications
Languages : en
Pages : 600
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Author:
Publisher:
ISBN:
Category : Science
Languages : en
Pages : 1020
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ISBN:
Category : Government reports announcements & index
Languages : en
Pages : 586
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Author:
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ISBN:
Category : Government publications
Languages : en
Pages : 598
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Author: Library of Congress. Processing Department
Publisher:
ISBN:
Category : Russian imprints
Languages : en
Pages : 1512
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Author: Jeffrey B. Harborne
Publisher: Springer Science & Business Media
ISBN: 9400959214
Category : Science
Languages : en
Pages : 346
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While there are many books available on methods of organic and biochemical analysis, the majority are either primarily concerned with the application of a particular technique (e.g. paper chromatography) or have been written for an audience of chemists or for biochemists work ing mainly with animaltissues. Thus, no simple guide to modern metho ds of plant analysis exists and the purpose of the present volume is to fill this gap. It is primarily intended for students in the plant sciences, who have a botanical or a general biological background. It should also be of value to students in biochemistry, pharmacognosy, food science and 'natural products' organic chemistry. Most books on chromatography, while admirably covering the needs of research workers, tend to overwhelm the student with long lists of solvent systems and spray reagents that can be applied to each class of organic constituent. The intention here is to simplify the situation by listing only a few specially recommended techniques that have wide currency in phytochemical laboratories. Sufficient details are provided to allow the student to use the techniques for themselves and most sections contain some introductory practical experiments which can be used in classwork.
Author: K. Husnu Can Baser
Publisher: CRC Press
ISBN: 1420063162
Category : Science
Languages : en
Pages : 994
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Egyptian hieroglyphs, Chinese scrolls, and Ayurvedic literature record physicians administering aromatic oils to their patients. Today society looks to science to document health choices and the oils do not disappoint. The growing body of evidence of their efficacy for more than just scenting a room underscores the need for production standards, quality control parameters for raw materials and finished products, and well-defined Good Manufacturing Practices. Edited by two renowned experts, the Handbook of Essential Oils covers all aspects of essential oils from chemistry, pharmacology, and biological activity, to production and trade, to uses and regulation. Bringing together significant research and market profiles, this comprehensive handbook provides a much-needed compilation of information related to the development, use, and marketing of essential oils, including their chemistry and biochemistry. A select group of authoritative experts explores the historical, biological, regulatory, and microbial aspects. This reference also covers sources, production, analysis, storage, and transport of oils as well as aromatherapy, pharmacology, toxicology, and metabolism. It includes discussions of biological activity testing, results of antimicrobial and antioxidant tests, and penetration-enhancing activities useful in drug delivery. New information on essential oils may lead to an increased understanding of their multidimensional uses and better, more ecologically friendly production methods. Reflecting the immense developments in scientific knowledge available on essential oils, this book brings multidisciplinary coverage of essential oils into one all-inclusive resource.
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ISBN:
Category : Dissertations, Academic
Languages : en
Pages : 600
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