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The present volume of the Gmelin thorium series describes the solid thorium-carbon compounds with the exception of the carbides and coordination compounds of the type 4 ThAn· X B, where B is a neutral ligand. The complex equilibria of the Th + ion with C-containing complexing agents are treated in the ThD1 volume. A first look into this volume demonstrates that a very large number of ThlV complexes has 4 been prepared. This may be explained by the fact that the Th + ion is the largest tetravalent ion of the periodic table. Therefore, the preparation of complexes with, e. g. , multidentate ligands can give a well-established picture of the coordination number as a function of charge and ioni...
Natural Product Chemistry continues to expand to exciting new frontiers of great importance in medicine. Written by international authorities in various fields of natural product chemistry, this latest volume in the well-established series Studies in Natural Products Chemistry contains 23 chapters, covering topics ranging from immunosuppressant and antimalarial compounds to bioactive substances useful in cancer and neural diseases. This present volume, will again be of great interest to research scientists and scholars working in the exciting field of new drug discovery.* Written by international authorities in the various fields of natural product chemistry* Contains 23 comprehensive articles covering topics ranging from immunosuppressant and antimalarial compounds to bioactive substances useful in cancer and neural diseases* Valuable source of information for research scientists and scholars in the field of new drug discovery
Human biomonitoring has developed from a research tool in occupational and environmental health to identify and quantify exposures to harmful substances in urine and blood. The analytical methods for detection of substances in biological media have considerably improved with smaller detection limits and more precise and specific measurements. Human biomonitoring is a valuable tool in exposure estimation of selected populations and currently used in surveillance programs all over the world. This two volume set provides an overview of current available biomarkers and human biomonitoring programs in environmental health, which is timely given the present debate on adverse health effects from en...
The volume covers two aspects of thorium solution chemistry: chromatographic methods and the chemistry in nonaqueous solutions. Chromatographic methods find broad application in the analytical chemistry of thorium, notably in the field of radiochemistry where unweighable or trace amounts of thorium have to be determined. Electrolytic methods like migration are used to separate ions to study the complexing behaviour of thorium in solution. Accordingly, these methods have been adopted as standard procedures in radioanalytical laboratories from mining in- dustry to reprocessing plants and research laboratories. They have the advantage that only trace amounts are needed to obtain results, so tha...
Vols. for 1963- include as pt. 2 of the Jan. issue: Medical subject headings.
A directory to the universities of the Commonwealth and the handbook of their association.
The Current Index to Statistics (CIS) is a bibliographic index of publications in statistics, probability, and related fields.