Details
The Inorganic Radiochemistry of Heavy Elements
Methods for Studying Gaseous Compounds|
149,79 € |
|
| Verlag: | Springer |
| Format: | |
| Veröffentl.: | 24.01.2008 |
| ISBN/EAN: | 9781402066023 |
| Sprache: | englisch |
| Anzahl Seiten: | 228 |
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Beschreibungen
<P>Developments in the title field have been greatly motivated by the studies of transactinoid elements; selected experiments and their results are presented for visualization. Primarily, the book is about the physico-chemical basis of the experimental methods and techniques which are or can be used for compounds of all heavy metals; about evaluation of the desorption energies from the original gas-solid chromatography data; and about concepts and approaches which allow to estimate bulk properties of the compounds even from experiments with a few short-lived atoms. The book attempts for the first time critical discussion of the state of art from a coherent point of view to help better understanding. It was written both for the newcomers to the field and experts, its goal is also to stimulate wider use of the advantageous gas phase techniques for common elements.</P>
<P>Experimental developments in inorganic gas phase radiochemistry: Early gas–solid chromatography studies.- Techniques for isolation of short-lived accelerator produced activities.- Techniques for alpha-active nuclides with corrosive reagents.- Recent techniques for alpha-active nuclides in non corrosive environment.- Future of radiochemistry studies of heavy metals.- Physicochemical Fundamentals: Molecular kinetics.- Diffusional deposition of molecules and aerosols in channels.- Statistical thermodynamics of adsorption.- Production of transactinoid elements, synthesis and transportation of their compounds: Production of TAE in heavy ion induced reactions.- Synthesis of volatile compounds.- Scavenging of impurities in the gas.- Deposition of nonvolatile elements and compounds from gas flow.- Aerosol stream for transportation of molecular entities.- From gas-solid isothermal chromatography to thermochromatography: General considerations.- Theory.- Simulation of IC and TC peak shape and position.- Vacuum thermochromatography.- Evaluation and interpretation of experimental data: Evaluation of desorption energy / enthalpy from the experimental data.- Experimental adsorption enthalpies of heavy element compounds.- True structure of the column surfaces.- Analysis of poor-statistics data.</P>
<P>The aim of this book is to facilitate the wider use of advantageous gas phase techniques towards heavy elements. Studies of the transactinoid elements (polyvalent metals) stimulated application of their volatile halides, oxides, and oxyhalides to fast radiochemical separations. Selected results are presented here. Primarily, this book features the physico-chemical basis of experimental methods and techniques. It focuses on evaluation of the desorption energy from data of a single gas-solid chromatography experiment through calculation of desorption entropy. Heterogeneity of the column surface and its chemical modification are taken into account. Several approaches to the estimation of bulk properties of the compounds from experiments with only a few atoms are also discussed. The accuracy of the derived quantities is then analyzed using the Bayesian statistical approach. </P>
<P><BR>The book is aimed at newcomers to the field as well as experts actively engaged in this area of research.</P>
<P><BR>The book is aimed at newcomers to the field as well as experts actively engaged in this area of research.</P>
The author is one of the founders of gas-chromatographic methods in radiochemistry Gas-phase chemistry with single atoms and molecules is an essential technique for the development and understanding of transactinide chemistry Aims to stimulate wider use of the advantageous gas phase techniques for common elements Provides a closer insight into the thermodynamics and kinetics of the gas phase chromatography methods The content draws together all the important aspects in the field from the point of view of one of the foremost experts Includes supplementary material: sn.pub/extras
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