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The extraordinary quantity of material included in the Gmelin Handbook of Inorganic Chemistry can make it extremely difficult to find a specific compound using only a general un derstanding of the basic rules for the arrangement of the subject matter (the so-called "System ofthe Last Position"). Consequently, subject indexes have been provided for the past few years to individual Handbook volumes, covering only a single section, or in some cases, a complete system number. During this period a comprehensive subject index-the Gmelin Index-was being prepared, whose first volume is now available. The broad distribution and extensive utilization enjoyed by the Gmelin Handbook in Eng lish-speaking countries has led to a decision to publish the Gmelin Index in the English lan guage. This decision was partly based on the fact that since the English language today oc cupies a preeminent position in the field of chemistry, a German-speaking user could utilize an English text much more readily than would be the case for an English-speaking user and a German text.
The present volume, "Fluorine" Suppt. Vol. 4, covers the oxygen compounds of fluorine and the binary fluorine-nitrogen compounds. In the first part "Fluorine and Oxygen", oxygen fluorides OnF m are described in the order of decreasing F: 0 ratio. It finishes with a description of hyperfluorous acid HOF. The second part "Fluorine and Nitrogen" deals with the binary fluorine-nitrogen com pounds. They are subdivided on the basis of the number of nitrogen atoms per molecule. Thus, species such as NFt, NF , NF , and NF are considered first followed by the dinitrogen and 3 2 trinitrogen fluorides NF, NF, and NF and related ions. 2 4 2 2 3 The other compounds under the heading "Fluorine and Nitroge...
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This volume concludes the coverage of silicon carbide, SiC, begun in "Silicon" Supplement Volume B 2, 1984, subtitled "Silicon Carbide - Part I". Part I described the physical properties of SiC, SiC diodes, molecular species in the SiC-C gas phase, and amorphous silicon-carbon alloys. The current Part II ("Silicon" Supplement Volume B 3,1986) covers in its initial chapter the Si-C phase diagram and in the final chapters the higher order systems of Si and C with additional elements through boron, arranged according to the Gmelin system. In between some 95% of the volume focusses on SiC, beginning with its natural occurrence, preparation and formation, and purification, continuing with its che...
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"The core of the Gmelin Index is formed by a Formula Index which includes all the definite elements, compounds, ions, and systems which are discussed or mentioned anywhere in the entire Eight Edition of the Gmelin Handbook. All volumes of the Main Series which were published before the end of 1974 are included, as well as volumes 1 through 12 of the New Supplement Series"--Introduction