The present volume continues the description of the chemical reactions of eiemental tungsten started with "Tungsten" Suppl. Vol. A 7. It covers the reactions with the metallic elements from zinc to actinoids. The treatment includes phase diagrams, bulk reactions, and surface processes which again are of outstanding importance in most systems. The raader is referred to the introductory remarks on pp. X/XI. Frankfurt am Main Ernst Koch November 1987 Introductory Remarks Abbreviations In order not to overload the text, the following abbreviations are sometimes used without definitions in the present volume, in addition to the abbreviations usual in the Gmelin Handbook. a. c. alternating current AE Auger electron Auger electron spectroscopy(ic) or spectrum AES bcc body-centered cubic CPD contact potential difference counts per second cps d. c. direct current DTA differential thermoanalysis Fermi Ievel EF EI electron impact ELS electron energy loss spectroscopy or spectrum EMF, emf electromotive force fcc face-centered cubic FE field emission field electron (emission) microscope(ic) FEM FES field emission spectroscopy FIM field ion microscope(ic) F-N Fowler-Nordheim hcp hexagonal close-packed 6 L Langmuir=1·10- Torr·s LEED low energy electron diffraction monolayer ML PES photoelectron spectroscopy PSD photon-stimulated desorption RHEED reflection high energy electron diffraction room temperature RT SI secondary ion SIMS secondary ion mass spectrometry TDS thermal desorption spectroscopy(ic) or spectrum TE thermionic emission total energy distribution TED UHV ultra-high vacuum UPS ultra-violet photoelectron spectroscopy(ic) or spectrum XPS X-ray photoelectron spectroscopy(ic) or spectrum Gmelin Handbock WSuppl. Vol.
The present volume completes the description of the interactions and chemical reactions of elemental tungsten with metallic elements, treating its reactions with antimony, bismuth, and the alkali and alkaline earth metals. The reactions of tungsten with these elements are in most cases confined to surface regions. Corrosion of tungsten and mutual solubility are usually very low. An exception is the W - Be system, in which several intermetallic phases are formed. The surface processes in some of the other systems covered in the present volume evoked considerable scientific and practical interest, documented by the large number of publications. This holds particularly for the Cs-on-W and Ba-on-W surface systems. Cs- and Ba-activated tungsten electrodes were and are used in many technical and laboratory appliances. One example is the Cs diode device for thermionic energy conversion. Surface ionization of Cs and W is widely applied in ion sources and for some time attracted great attention with respect to its potential use in ion rocket propulsion engines. Cs-on-W is also a logical system for basic research on chemisorption due to the propitious chemical, crystallographic, and atomic properties of adsorbent and adsorbate. The majority of existing models for the chemisorption bond has been experimentally checked on this system. The particular interest in the W - Cs and W - Ba systems is reflected in the large portion of the text (256 pages) devoted to these systems.
The present volume continues the description of the chemical reactions of eiemental tungsten started with "Tungsten" Suppl. Vol. A 7. It covers the reactions with the metallic elements from zinc to actinoids. The treatment includes phase diagrams, bulk reactions, and surface processes which again are of outstanding importance in most systems. The raader is referred to the introductory remarks on pp. X/XI. Frankfurt am Main Ernst Koch November 1987 Introductory Remarks Abbreviations In order not to overload the text, the following abbreviations are sometimes used without definitions in the present volume, in addition to the abbreviations usual in the Gmelin Handbook. a. c. alternating current AE Auger electron Auger electron spectroscopy(ic) or spectrum AES bcc body-centered cubic CPD contact potential difference counts per second cps d. c. direct current DTA differential thermoanalysis Fermi Ievel EF EI electron impact ELS electron energy loss spectroscopy or spectrum EMF, emf electromotive force fcc face-centered cubic FE field emission field electron (emission) microscope(ic) FEM FES field emission spectroscopy FIM field ion microscope(ic) F-N Fowler-Nordheim hcp hexagonal close-packed 6 L Langmuir=1·10- Torr·s LEED low energy electron diffraction monolayer ML PES photoelectron spectroscopy PSD photon-stimulated desorption RHEED reflection high energy electron diffraction room temperature RT SI secondary ion SIMS secondary ion mass spectrometry TDS thermal desorption spectroscopy(ic) or spectrum TE thermionic emission total energy distribution TED UHV ultra-high vacuum UPS ultra-violet photoelectron spectroscopy(ic) or spectrum XPS X-ray photoelectron spectroscopy(ic) or spectrum Gmelin Handbock WSuppl. Vol.
The present volume continues the description of the chemical reactions of eiemental tungsten started with "Tungsten" Suppl. Vol. A 7. It covers the reactions with the metallic elements from zinc to actinoids. The treatment includes phase diagrams, bulk reactions, and surface processes which again are of outstanding importance in most systems. The raader is referred to the introductory remarks on pp. X/XI. Frankfurt am Main Ernst Koch November 1987 Introductory Remarks Abbreviations In order not to overload the text, the following abbreviations are sometimes used without definitions in the present volume, in addition to the abbreviations usual in the Gmelin Handbook. a. c. alternating current AE Auger electron Auger electron spectroscopy(ic) or spectrum AES bcc body-centered cubic CPD contact potential difference counts per second cps d. c. direct current DTA differential thermoanalysis Fermi Ievel EF EI electron impact ELS electron energy loss spectroscopy or spectrum EMF, emf electromotive force fcc face-centered cubic FE field emission field electron (emission) microscope(ic) FEM FES field emission spectroscopy FIM field ion microscope(ic) F-N Fowler-Nordheim hcp hexagonal close-packed 6 L Langmuir=1·10- Torr·s LEED low energy electron diffraction monolayer ML PES photoelectron spectroscopy PSD photon-stimulated desorption RHEED reflection high energy electron diffraction room temperature RT SI secondary ion SIMS secondary ion mass spectrometry TDS thermal desorption spectroscopy(ic) or spectrum TE thermionic emission total energy distribution TED UHV ultra-high vacuum UPS ultra-violet photoelectron spectroscopy(ic) or spectrum XPS X-ray photoelectron spectroscopy(ic) or spectrum Gmelin Handbock WSuppl. Vol.
The present volume continues the description of the chemical reactions of eiemental tungsten started with "Tungsten" Suppl. Vol. A 7. It covers the reactions with the metallic elements from zinc to actinoids. The treatment includes phase diagrams, bulk reactions, and surface processes which again are of outstanding importance in most systems. The raader is referred to the introductory remarks on pp. X/XI. Frankfurt am Main Ernst Koch November 1987 Introductory Remarks Abbreviations In order not to overload the text, the following abbreviations are sometimes used without definitions in the present volume, in addition to the abbreviations usual in the Gmelin Handbook. a. c. alternating current AE Auger electron Auger electron spectroscopy(ic) or spectrum AES bcc body-centered cubic CPD contact potential difference counts per second cps d. c. direct current DTA differential thermoanalysis Fermi Ievel EF EI electron impact ELS electron energy loss spectroscopy or spectrum EMF, emf electromotive force fcc face-centered cubic FE field emission field electron (emission) microscope(ic) FEM FES field emission spectroscopy FIM field ion microscope(ic) F-N Fowler-Nordheim hcp hexagonal close-packed 6 L Langmuir=1·10- Torr·s LEED low energy electron diffraction monolayer ML PES photoelectron spectroscopy PSD photon-stimulated desorption RHEED reflection high energy electron diffraction room temperature RT SI secondary ion SIMS secondary ion mass spectrometry TDS thermal desorption spectroscopy(ic) or spectrum TE thermionic emission total energy distribution TED UHV ultra-high vacuum UPS ultra-violet photoelectron spectroscopy(ic) or spectrum XPS X-ray photoelectron spectroscopy(ic) or spectrum Gmelin Handbock WSuppl. Vol.
The present volume completes the description of the interactions and chemical reactions of elemental tungsten with metallic elements, treating its reactions with antimony, bismuth, and the alkali and alkaline earth metals. The reactions of tungsten with these elements are in most cases confined to surface regions. Corrosion of tungsten and mutual solubility are usually very low. An exception is the W - Be system, in which several intermetallic phases are formed. The surface processes in some of the other systems covered in the present volume evoked considerable scientific and practical interest, documented by the large number of publications. This holds particularly for the Cs-on-W and Ba-on-W surface systems. Cs- and Ba-activated tungsten electrodes were and are used in many technical and laboratory appliances. One example is the Cs diode device for thermionic energy conversion. Surface ionization of Cs and W is widely applied in ion sources and for some time attracted great attention with respect to its potential use in ion rocket propulsion engines. Cs-on-W is also a logical system for basic research on chemisorption due to the propitious chemical, crystallographic, and atomic properties of adsorbent and adsorbate. The majority of existing models for the chemisorption bond has been experimentally checked on this system. The particular interest in the W - Cs and W - Ba systems is reflected in the large portion of the text (256 pages) devoted to these systems.
It is often suggested that the incidence of cancer and coronary heart disease could be much reduced or even eliminated if only people would stop smoking cigarettes and eat fewer high-cholesterol foods. The evidence, however, shows that such views are simplistic and unrealistic and that, instead, cancer and CHD are the product of many risk factors acting synergistically. Psychosocial factors (stress, personality) are six times as predictive as smoking, cholesterol level or blood pressure and much more responsive to prophylactic treatment. This book admits that, while smoking is a risk factor for cancer and CHD, its effects have been exaggerated. A more realistic appraisal of a very complex chain of events incorporating many diverse factors is given, and appropriate action to prevent cancer and coronary heart disease is discussed.
The Gmelin Formula Index and its First Supplement covered those volumes of the Eighth Edition of the Gmelin Handbook which had been issued up to the end of 1979. The present Second Supplement updates the Index by inclusion of the volumes which appeared up to the end of 1987. With this Second Supplement all compounds described in the Gmelin Handbook of Inorganic Chemistry in the period between 1924 and 1987 can be located. The basic structure of the Formula Index remains the same as in the previous editions. Computer techniques were employed in the preparation and print of the Second Supple ment. The data acquisition, sorting, and further data handling were performed with the aid of a series of computer programs developed by staff members of the former" Online Group" of the Gmelin Institute, now at Chemplex GmbH, and by the printer" UniversiUits druckerei H. StOrtz AG, WGrzburg". Whereas the Handbook itself will continue to appear in printed form, the present Second Supplement of the Index is intended to be the last one issued in print. The cumulated contents of the Index and its Supplements are contained in the Gmelin Formula Index (GFI) database which is available to the scientific community via STN. This database will be updated annually to include the published Handbook volumes.
The present volume, "Organoiron Compounds" B 17, systematically covers the literature through the end of 1987 for Sections 1.5.3 to 1.5.3.5, through the end of 1988 for Sections 1.5.4 to 1.5.6.7, and also includes many tater references. This volume continues Se ries B (volumes B 1 to B 15 al ready published) on the mononu clear organoiron compounds; Series A (volumes A 1 to A 9 already published) is devoted to the ferrocenes and Se ries C (volumes C 1 to C 5 and C 7 already published) treats organoiron com pounds with two or more Fe atoms in the molecule. Se ries B thus far includes the following mononuclear organoiron compounds: "Eisen-Organische Verbindungen" B 1 (1976), B 2 (1978, in English), B 3 (1979, partly in English) Sections 1 to 1.1.4.8 on 0 compounds and carbonyl compounds. "Eisen-Organische Verbindungen" B 4 (1978) Sections 1.1.5 to 1.2.3.2.3 on isonitrile and carbene compounds and on compounds with ligands bonded to the Fe atom by two C atoms eL ligands). "Eisen-Organische Verbindungen" B 5 (1978) Sections 1.3 to 1.3.6 on compounds with ligands bonded to the Fe atom by three C atoms (3L ligands).
The GmeLin Formula Index and its First Supplement covered those volumes of the Eighth Edition of the GmeLin Handbook which had been issued up to the end of 1979. The present Second Supplement updates the Index by inclusion of the volumes which appeared up to the end of 1987. With this Second Supplement all compounds described in the GmeLin Handbook of Inorganic Chemistry in the period between 1924 and 1987 can be located. The basic structure of the Formula Index remains the same as in the previous editions. Computer techniques were employed in the preparation and print of the Second Supple ment. The data acquisition, sorting, and further data handling were performed with the aid of aseries of computer programs developed by statt members of the former "OnLine Group" of the GmeLin Institute, now at Chemplex GmbH, and by the printer" Universitäts druckerei H. Stürtz AG, Würzburg ". Whereas the Handbook itself will continue to appear in printed form, the present Second Supplement of the Index is intended to be the last one issued in print. The cumulated contents of the Index and its Supplements are contained in the GmeLin Formula Index (GFI) database which is available to the scientific community via STN. This database will be updated annually to include the pubLished Handbook volumes.
Mice have long been recognized as a valuable tool for investigating the genetic and physiological bases of human diseases such as diabetes, infectious disease, cancer, heart disease, and a wide array of neurological disorders. With the advent of transgenic and other genetic engineering technologies, the versatility and usefulness of the mouse as a model in biomedical research has soared. As a result, mouse colonies everywhere are expanding, and scientists who previously focused on other models are turning their attention to the mouse. Revised to reflect advances since the first edition, The Laboratory Mouse, Second Edition continues to be the most accessible reference on the biology and care of the laboratory mouse. This guide presents basic information and common procedures in detail to provide a quick reference source for investigators, technicians, and caretakers in the humane care and use of the mouse in the laboratory setting. Expanded, updated, and now in color, this new edition includes coverage of the biological features, husbandry, management, veterinary care, experimental methodology, and resources applying specifically to the mouse"--Provided by publisher.
The present volume is the first of a series describing acyclic sulfur-nitrogen compounds with sulfur of oxidation number IV. The acyclic sw-N compounds are arranged according to the coordination number of the sulfur. Neutral compounds are described before ions and complex compounds. The preceding series "Sulfur-Nitrogen Compounds" Parts 2, 3, and 4 covers the cyclic sw-N compounds. In this volume, the first section deals with sulfur-nitrogen compounds with 1-coordinate sulfur and begins with the sulfur nitride {thiazyl) radical, SN. This transient molecule was observed in its electronic ground state and several electronically excited states. The descrip tions of the sulfur nitride (thiazyl) ions SN+ and SW follow. The SN+ ionwas studied in the gas phase as weil as in the solid state where it forms salts. Thionitrosyl complexes containing the SN Iigand as a terminal linear unit are described at the end of the first section. The second section concerns Sulfur-nitrogen compounds with 2-coordinate sulfur and starts with the description of poly(sulfur nitride), (SNlx· The preparation, crystal structure, and metallic and superconducting properties of (SN)x, which were extensively studied, fill a !arge part of the volume. Halogen-modified poly(sulfur nitride) such as the widely studied (SNBr )x 04 and Na-modified poly(sulfur nitride) are dealt with in the following chapters.
This volume contains the proceedings of the Tenth International Meeting of the International Study Group for Tryptophan Research (ISTR V), held at the University of Padova, Padova, Italy, from 25-29 June, 2002 under the auspices of the Ministry of Education, University and Research (MIUR) in Roma, the University of Padova, the Italian Chemical Society - Division of Pharmaceutical Chemistry, the Veneto Region and the City of Padova. The meeting was organized to cover the recent developments in the field of tryptophan research. Weare very honoured that so many speakers accepted our invitation to give plenary lectures which, with the other communications, demonstrated the high scientific value of the Meeting. The publications in this volume are subdivided into nine main chapters, and cover all the major aspects in immunology, neurobiology, psychiatry, pathology, clinics, metabolism, enzymology, pharmacology, toxicology, melatonin, exercise and analytical chemistry. The volume includes the contributions of 325 scientists from 24 countries, and the Musajo Memorial Lecture delivered by Prof. Osamu Hayaishi during the Opening Ceremony.
This volume C 1 is the first supplement volume to "Phosphor" C which was published in 1965 and covers the compounds of phosphorus. Starting with the binary species formed between phosphorus and hydrogen, the present volume deals with the neutral mononuclear compounds PH through PH ; the ions featuring the same stoichiometric composition are s covered in separate sections. PH and PH are the major initial gaseous decomposition products of PH and, thus, also 2 J intermediates in many of its gas-phase reactions. Both molecules and their ions have been thoroughly investigated by a variety of modern, high-resolution spectroscopic methods during the last three decades. The coverage of their physical, and mostly molecular, properties re presents the largest part of the first two chapters (PH and ions pp. 2 to 47; PH and ions pp. 47 2 to 111). PH is the only compound described in this volume which is thermally stable under normal J conditions. It is the phosphorus analog of ammonia, but exhibits, however, a quite different chemical behavior towards most elements and compounds. The majority of its physical, and in particular spectroscopic, properties have been determined in great detail since the sixties, partially in regard to spectroscopic investigations of the atmospheres of the outer planets.
The Gmelin Formula Index and its First Supplement covered those volumes of the Eighth Edition of the Gmelin Handbook which had been issued up to the end of 1979. The present Second Supplement updates the Index by inclusion of the volumes which appeared up to the end of 1987. With this Second Supplement all compounds described in the Gmelin Handbook of Inorganic Chemistry in the period between 1924 and 1987 can be located. The basic structure of the Formula Index remains the same as in the previous editions. Computer techniques were employed in the preparation and print of the Second Supple ment. The data acquisition, sorting, and further data handling were performed with the aid of a series of computer programs developed by staff members of the former" Online Group" of the Gmelin Institute, now at Chemplex GmbH, and by the printer" Universitiits druckerei H. StOrtz AG, WOrzburg". Whereas the Handbook itself will continue to appear in printed form, the present Second Supplement of the Index is intended to be the last one issued in print. The cumulated contents of the Index and its Supplements are contained in the Gmelin Formula Index (GFI) database which is available to the scientific community via STN. This database will be updated annually to include the published Handbook volumes.
The volume continues the description of acyclic sulfur - nitrogen compounds with sulfur having the oxidation number II and covers amino-di- and aminopolysulfanes as well as diamino-di- and diamino-polysulfanes. Numerous examples of the class of diamino-disulfanes and their interesting chemical properties are described: N, N'-disulfanediyl-bis(N-heterocycles), for instance, undergo S-S bond scission in a thermal or photochemical radical - dimer equilibrium or react with acetylenes to give thiophenes, and N, N'disulfanediyl-bis(phthalimide) is a sulfur transfer reagent for organic synthesis. The volume completes the series on sulfur - nitrogen compounds which is a unique and comprehensive source of information for this field in chemistry.
The Gmelin Formula Index and the First and Second Supplement covered the volumes of the Eighth Edition of the Gmelin Handbook which appeared up to the end of 1987. This Third Supplement extends the Gmelin Formula Index and includes the compounds from the volumes until 1992. The publication of the Third Supplement enables to locate all compounds described in the Gmelin Handbook of Inorganic and Organometallic Chemistry since 1924. The basic structure of the Formula Index remains the same as the previous editions. Computer methods were employed during the preparation and the publication of the Third Supplement. Data acquisition, sorting, and data handling were performed using a suite of computer programs, developed originally by B. Roth, now at Chemplex GmbH. The SGML application for the final data processing for printing was developed in the com puter department of the Gmelin Institute and at Universitätsdruckerei H. Stürtz AG, Würzburg. Frankfurt am Main, March 1994 U. Nohl, G. Olbrich Instructions for Users of the Formula Index First CoLumn (EmpiricaL FormuLa) The empirical formulae are arranged in alphabetical order of the element symbols and by increasing values of the subscripts. Any indefinite subscripts are placed at the end of the respective sorting section. Ions always appear after the neutral species, positive ions preceding negative ones.
This volume 8 is the fourth in a series dealing with organomolybdenum compounds. An Empirical Formula Index and a Ligand Formula Index provide ready access to the compounds covered. Volume 5 describes mononuclear organomolybdenum compounds with isocyanide, 3 4 carbene, carbyne, alkynyl, alkene, alkyne, L, and L ligands with and without additional CO groups. Volume 6 starts the description of mononuclear organomolybdenum compounds with 5 one L Ligand, a Ligand bonded to molybdenum by five carbon atoms. The compounds contain either zero or one CO group bonded to the molybdenum atom. Volume 7 continues the 5 description of L-molybdenum compounds containing two CO groups, but no additional nl 5 ligands. This volume describes L-molybdenum compounds with two CO groups and additional 1 4 L to L ligands. Following the nomenclature used in this series of organomolybdenum com pounds, nl is an organic Ligand bonded by n C atoms to molybdenum, and mo is an electron 2 donor Ligand with m donor electrons. Thus 0 denotes a Ligand such as PR . 3 Many of the data, particular those in tables, are given in an abbreviated form without units; for explanations see p. X. Additional information, if necessary, is given before the individual table. Frankfurt am Main Manfred Winter November 1992 Wolfgang Petz X Remarks on Abbreviations and Dimensions Many compounds in this volume are presented in tables in which numerous abbreviations are used, the dimensions are omitted for the sake of conciseness. This necessitates the following clarifications.
The Gmelin Institute presents the Third Supplement of the Gmelin Formula Index (GFI) which covers 95 new volumes of the Gmelin Handbook of Inorganic and Organometallic Chemistry published between 1988 and 1992. With this extension the GFI contains more than 400 000 elements, compounds, systems, and other types described in 620 volumes. The Third Supplement includes more than 65 000 compounds sorted according to the empirical formula and characterized by a linearized structural formula. As in previous sections of the index, compounds are further characterized by keywords if more information is available in the Handbook. Systems, mixed crystals, solutions, glasses, isotopes, isotopomers (also highly enriched), and other compound classes are separately listed. The GFI provides fast access to any inorganic or organometallic compound and the relevant page numbers in the Handbook. It is one of the means to facilitate searching for the large amount of available information on the chemical and physical properties of compounds. The Third Supplement will be published in 6 volumes.
This volume treats the acyclic sulfur(II)-nitrogen compounds with one-coordinate and two-coordinate sulfur. Sulfur imide (S=NH) and N-organyl-sulfur imides (S=NR) are unstable compounds which can be stabilized by coordination to transition metals or trapped, for example, by Ä2 + 4Ü cycloaddition with 1,3-butadiene. Among dithionitryl (1+) salts, only ÄS=N=SÜ+AsF6- has been studied extensively. Cycloaddition with alkenes and triple bond compounds produce 1,3,2-dithiazolium salts. Thiohydroxylamine, HSNH2, has been detected in the gas phase. Numerous examples of N, N-diorganyl-amino-halogeno-sulfanes (XSNR2, X = F, Cl, Br, I; R = organyl) and salts of the cation (XS)2N+ (X = Cl, Br) are known. N, N-Diorganyl-amino-chloro-sulfanes are important synthetic reagents.
Alloys of Uranium with Alkali Metals, Alkaline Earths, and Elements of Main Groups III and IV. The description of uranium and its compounds, for which the Gmelin Institute has started a series of volumes supplementing the main volume of 1936, follows in its arrangement closely the order chosen for the transuranium volumes. Part A treats "The Element", Part B "The Metal and its Alloys", Part C "The Compounds", Part D "The Chemistry in Solution", and finally Part E "The Coordination Compounds". Part E, "The Coordination Compounds" comprises two volumes which already have been finished and are available - completely written in English. Series A comprises 7 volumes which are all available. Series C will comprise 14 volumes of which only volume 6 is missing. Series D consists of 4 volumes dealing with the chemistry in solution, which already have been finished and are available. The present volume describes the alloys and the intermetallic compounds with the metals of main groups I to IV - those systems with semimetals such as boron and germanium are to be found in corresponding volumes in Uranium C series. In the volume B 2 main emphasis is given to the binary systems. The most frequently investigated systems are uranium-beryllium and uranium-aluminium because of their special scientific (U-Be) and technological (U-Al) importance.
Stress in Health and Disease presents the principal pathways mediating the response to a stressor. It discusses the clinical background of cross-resistance and treatment with stress-hormones. It addresses the diseases of adaptation or stress diseases, diagnostic indicators, and functional changes. Some of the topics covered in the book are the concept of heterostasis; stressors and conditioning agents; morphology of frostbite; characteristics manifestations of stress; catecholamines and their derivatives; various hormones and hormone-like substances; FFA, triglycerides and lipoproteins; morphologic changes; and hypothalamo-hypophyseal system . The gastrointestinal diseases of adaptation are covered. The schizophrenia and related psychoses is discussed. The text describes the manic-depressive disease and senile psychosis. A study of the experimental cardiovascular diseases and neuropsychiatric diseases is presented. A chapter is devoted to the diseases of adaptation in animals. Another section focuses on the shift in adenohypophyseal activity and catatoxic hormones. The book can provide useful information to scientists, doctors, students, and researchers.
Alloys of Uranium with Alkali Metals, Alkaline Earths, and Elements of Main Groups III and IV. The description of uranium and its compounds, for which the Gmelin Institute has started a series of volumes supplementing the main volume of 1936, follows in its arrangement closely the order chosen for the transuranium volumes. Part A treats "The Element", Part B "The Metal and its Alloys", Part C "The Compounds", Part D "The Chemistry in Solution", and finally Part E "The Coordination Compounds". Part E, "The Coordination Compounds" comprises two volumes which already have been finished and are available - completely written in English. Series A comprises 7 volumes which are all available. Series C will comprise 14 volumes of which only volume 6 is missing. Series D consists of 4 volumes dealing with the chemistry in solution, which already have been finished and are available. The present volume describes the alloys and the intermetallic compounds with the metals of main groups I to IV - those systems with semimetals such as boron and germanium are to be found in corresponding volumes in Uranium C series. In the volume B 2 main emphasis is given to the binary systems. The most frequently investigated systems are uranium-beryllium and uranium-aluminium because of their special scientific (U-Be) and technological (U-Al) importance.
The volume covers alloys and intermetallic compounds of thorium with metals of main groups I to IV as well as related ternary and quaternary alloys. It is the first comprehensive and critical treatise on this topic. The physical properties of ThBe13 have been studied in some detail in order to compare them with those of the heavy fermion compound UBe13. The Th-MG system is of interest for the metallurgy of Mg, since small amounts of Th improve the mechanical strength of Mg and some of its alloys. Detailed information is available on the Th-AI system which is complicated by several intermediate binary phases. Several years ago, this system had attained some technological interest when Th-AI alloys were considered as a potential fuel in thorium breeder reactors. Other Th-main group intermetallic systems are more of scientific than of technological interest. The phase relations in these systems were not elucidated until the 1980s. Numerous ternary alloys consisting of thorium, a metal of main groups I to IV, and a third metal are described. Recent interest has focused on some ternary compounds related to the Th-AI and Th-Sn systems, e.g., THAI8Fe4 and ThSnM (M = Ni, Co, Pt).
The volume is concerned exclusively with all the binary species formed between the elements silicon and fluorine such as SiF, SiF2, SiF3, SiF4, and Sif62-. Most of the volume, i.e. 144 pages, is devoted to the description of the well known physical and chemical properties of the SiF4 as well as to its preparation. This is followed in length by the report on SiF2 with its interesting chemistry, along with a section on the diatomic radical SiF. Species with fivefold and sixfold coordination of silicon are exemplified by SiF5- and by the well known SiF62-. Interestingly, the detailed models for describing the bonding situation in both ions are still a matter of discussion. While for Si2F6 most of the basic data are known, information on the chemical and physical properties of the higher members of the acylic perfluorosilanes, SinF2n+2, is scarce. All available information on the unstable cyclic perfluorosilanes of composition (SiF2)n and some even more exotic species is also included.
Thank you for visiting our website. Would you like to provide feedback on how we could improve your experience?
This site does not use any third party cookies with one exception — it uses cookies from Google to deliver its services and to analyze traffic.Learn More.