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Separation Of Isotopes Of Biogenic Elements In Two Phase Systems
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Book Synopsis Separation of Isotopes of Biogenic Elements in Two-phase Systems by : Boris Mikhailovich Andreev
Download or read book Separation of Isotopes of Biogenic Elements in Two-phase Systems written by Boris Mikhailovich Andreev and published by Elsevier. This book was released on 2006-12-01 with total page 317 pages. Available in PDF, EPUB and Kindle. Book excerpt: Separation of Isotopes of Biogenic Elements provides a detailed overview of this area of research covering all aspects from the value of isotope effects to their practical use (equilibrium single-stage isotope effect - kinetics and mass transfer – multiplication of the single-stage isotope separation factor - technological peculiarity of processes) with the purpose of extraction from the natural mixture of the enriched and highly concentrated isotopes. In contrast to traditional books on the theory of isotope separation, the theoretical part of the book describes separation in two-phase processes in counter-flow columns. The experimental part of the book presents systematic analysis of specialists in the field of isotope separation in counter-flow columns. This book will be of interest to scientists, engineers and technical workers engaged in isotope separation processes and isotope application in nuclear physics, medicine, agro-chemistry, biology and other areas. This book may also be used in teaching theory and practical aspects in courses on physical chemistry and Isotope separation of light elements by physicochemical methods. * summarises current state of isotope research, especially biogenic elements* covering all aspects from the value of isotope effects to their practical use* of interest to scientists, engineers and technical workers engaged in isotope separation processes and isotope application
Book Synopsis Chemical Exchange as a Versatile Isotope Separation Process by : G. H. Clewett
Download or read book Chemical Exchange as a Versatile Isotope Separation Process written by G. H. Clewett and published by . This book was released on 1950 with total page 28 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Aqueous Two-Phase Systems by : Rajni Hatti-Kaul
Download or read book Aqueous Two-Phase Systems written by Rajni Hatti-Kaul and published by Springer Science & Business Media. This book was released on 2008-02-05 with total page 442 pages. Available in PDF, EPUB and Kindle. Book excerpt: A mixture of two polymers, or one polymer and a salt, in an aqueous medium separates into two phases: this phenomenon is useful in biotechn- ogy for product separations. Separation of biological molecules and particles in these aqueous two-phase systems (ATPS) was initiated over 40 years ago by P.-Å. Albertsson, and later proved to be of immense utility in biochemical and cell biological research. A boost in the application of ATPS was seen when problems of separations in biotechnology processes were encountered. Its simplicity, biocompatibility, and amenability to easy scaleup operations make the use of ATPS very attractive for large-scale bioseparations. Despite the advantages ATPS enjoys over other separation techniques, the application of two-phase systems has for a long time been confined to selected labora- ries. Recent years have, however, shown a trend in which increasing numbers of researchers employ two-phase partitioning techniques in both basic and applied research.
Book Synopsis PEM Electrolysis for Hydrogen Production by : Dmitri Bessarabov
Download or read book PEM Electrolysis for Hydrogen Production written by Dmitri Bessarabov and published by CRC Press. This book was released on 2016-02-03 with total page 722 pages. Available in PDF, EPUB and Kindle. Book excerpt: An ever-increasing dependence on green energy has brought on a renewed interest in polymer electrolyte membrane (PEM) electrolysis as a viable solution for hydrogen production. While alkaline water electrolyzers have been used in the production of hydrogen for many years, there are certain advantages associated with PEM electrolysis and its relevan
Book Synopsis Partitioning in Aqueous Two-phase Systems by : Harry Walter
Download or read book Partitioning in Aqueous Two-phase Systems written by Harry Walter and published by Orlando ; Toronto : Academic Press. This book was released on 1985 with total page 744 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Carbon Allotropes: Metal-Complex Chemistry, Properties and Applications by : Boris Ildusovich Kharisov
Download or read book Carbon Allotropes: Metal-Complex Chemistry, Properties and Applications written by Boris Ildusovich Kharisov and published by Springer. This book was released on 2019-01-02 with total page 790 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a detailed description of metal-complex functionalized carbon allotrope forms, including classic (such as graphite), rare (such as M- or T-carbon), and nanoforms (such as carbon nanotubes, nanodiamonds, etc.). Filling a void in the nanotechnology literature, the book presents chapters generalizing the synthesis, structure, properties, and applications of all known carbon allotropes. Metal-complex composites of carbons are described, along with several examples of their preparation and characterization, soluble metal-complex carbon composites, cost-benefit data, metal complexes as precursors of carbon allotropes, and applications. A lab manual on the synthesis and characterization of carbon allotropes and their metal-complex composites is included. Provides a complete description of all carbon allotropes, both classic and rare, as well as carbon nanostructures and their metal-complex composites; Contains a laboratory manual of experiments on the synthesis and characterization of metal-complex carbon composites; Discusses applications in diverse fields, such as catalysis on supporting materials, water treatment, sensors, drug delivery, and devices.
Book Synopsis Solubilization and Dispersion of Carbon Nanotubes by : Oxana Vasilievna Kharissova
Download or read book Solubilization and Dispersion of Carbon Nanotubes written by Oxana Vasilievna Kharissova and published by Springer. This book was released on 2017-09-01 with total page 258 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book describes a series of contemporary techniques and their combinations used for CNTs solubilization, from physical to chemical and biological, applying inorganic and organic compounds, as well as some metal complexes. In some cases, successive steps can be applied, for instance the use of low and high-weight surfactants, or mineral acid treatment for creation of –OH and –COOH groups and their further interaction with organic molecules. Each discussed method leads to an improvement of CNT solubility, frequently a considerable one. The formed dispersions can be stable for long periods of time, from several weeks to some months, and they sometimes even remain stable after centrifugation. Several special studies have been carried out in the areas of influence of solvent and light on CNTs dispersibility, combinations and abilities of surfactants, CNT cytotoxicity, etc. Applications of solubilized CNTs are discussed in this book as well.
Book Synopsis Isotope Separation and Isotope Exchange by :
Download or read book Isotope Separation and Isotope Exchange written by and published by . This book was released on 1953 with total page 88 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Nitrogen Isotope Separation by Means of Chemical Exchange Using Complex Formation (razdelenie Izotopov Azota Metodom Khimicheskogo Obmena S Ispolzovaniem Kompleksoobrazovaniya0 by : A. I. Kuznetsov
Download or read book Nitrogen Isotope Separation by Means of Chemical Exchange Using Complex Formation (razdelenie Izotopov Azota Metodom Khimicheskogo Obmena S Ispolzovaniem Kompleksoobrazovaniya0 written by A. I. Kuznetsov and published by . This book was released on 1968 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: As an example of a two-phase system, ammonia and the complex compound of ammonia with n-propanol demonstrates the possibility of isotopic separation of nitrogen using the method of chemical exchange using complex formation. An automatic apparatus is described for the isotopic separation by the method of chemical exchange, using the method of thermal reversibility between phases. For the system NH3 - NH3.C3H7OH in a 1.5 meter column at 6C., and with a rate of addition of the complex of 1.0 ml/min over 8 hours, a coefficient of separation of 1.489 was obtained, whereby 15N was concentrated in the liquid phase. (Author).
Book Synopsis Isotope Separation by : Stelio Villani
Download or read book Isotope Separation written by Stelio Villani and published by . This book was released on 1976 with total page 432 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Separation of Isotopes by : Heinz London
Download or read book Separation of Isotopes written by Heinz London and published by . This book was released on 1961 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Theory of Isotope Separation as Applied to the Large-scale Production of U235 by : Karl P. Cohen
Download or read book The Theory of Isotope Separation as Applied to the Large-scale Production of U235 written by Karl P. Cohen and published by . This book was released on 1951 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis The Theory of Isotope Separation as Applied to the Large Scale Production of U235 by : Karl Cohen
Download or read book The Theory of Isotope Separation as Applied to the Large Scale Production of U235 written by Karl Cohen and published by . This book was released on 2015-03-07 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Isotope separation is the process of concentrating specific isotopes of a chemical element by removing other isotopes. The use of the nuclides produced is various. The largest variety is used in research (e.g. in chemistry where atoms of "marker" nuclide are used to figure out reaction mechanisms). By tonnage, separating natural uranium into enriched uranium and depleted uranium is the largest application. In the following text, mainly the uranium enrichment is considered. This process is a crucial one in the manufacture of uranium fuel for nuclear power stations, and is also required for the creation of uranium based nuclear weapons. Plutonium-based weapons use plutonium produced in a nuclear reactor, which must be operated in such a way as to produce plutonium already of suitable isotopic mix or grade. While different chemical elements can be purified through chemical processes, isotopes of the same element have nearly identical chemical properties, which makes this type of separation impractical, except for separation of deuterium. There are three types of isotope separation techniques: Those based directly on the atomic weight of the isotope. Those based on the small differences in chemical reaction rates produced by different atomic weights. Those based on properties not directly connected to atomic weight, such as nuclear resonances. The third type of separation is still experimental; practical separation techniques all depend in some way on the atomic mass. It is therefore generally easier to separate isotopes with a larger relative mass difference. For example deuterium has twice the mass of ordinary (light) hydrogen and it is generally easier to purify it than to separate uranium-235 from the more common uranium-238. On the other extreme, separation of fissile plutonium-239 from the common impurity plutonium-240, while desirable in that it would allow the creation of gun-type nuclear weapons from plutonium, is generally agreed to be impractical.
Book Synopsis Novel Aqueous Two-Phase Systems by : Samuel I. Jenkins
Download or read book Novel Aqueous Two-Phase Systems written by Samuel I. Jenkins and published by . This book was released on 2013 with total page 246 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Book Synopsis Isotopes in the Atomic Age by : Hari Jeevan Arnikar
Download or read book Isotopes in the Atomic Age written by Hari Jeevan Arnikar and published by John Wiley & Sons. This book was released on 1989 with total page 288 pages. Available in PDF, EPUB and Kindle. Book excerpt: An account of isotopes separation processes, this textbook has been specifically written for student and professional chemical engineers. The guide outlines important methods, how to improve their yields, with discussions of the theory and application of each technique.
Book Synopsis Aqueous Two-Phase Systems by : Rajni Hatti-Kaul
Download or read book Aqueous Two-Phase Systems written by Rajni Hatti-Kaul and published by . This book was released on 2000 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: Rajni Hatti-Kaul and her expert coauthors combine theory, methodology, and applications in a practical collection of easily reproducible protocols for bioseparations in aqueous two-phase systems (ATPS). The protocols range from established methods to cutting-edge techniques with potential biotechnological applications. Among the methods detailed are those for ATPS preparation and characterization, for partitioning applied to soluble molecules and particulates (including whole cells, membranes, and organelles), and for the isolation and purification of proteins - including a glimpse of large-scale handling of two-phase separations. Practical and informative, with its detailed guidelines allowing researchers to adapt specific systems to their own separation needs, Aqueous Two-Phase Systems: Methods and Protocols demonstrates the scope and utility of two-phase aqueous systems in both basic and applied research.
Download or read book Isotope Separation written by and published by . This book was released on 1989 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
