Download or read book Primary Explosives written by Robert Matyáš and published by Springer Science & Business Media. This book was released on 2013-03-12 with total page 354 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is the first comprehensive overview of this topic. It serves as a single source for information about the properties, preparation, and uses of all relevant primary explosives. The first chapter provides background such as the basics of initiation and differences between requirements on primary explosives used in detonators and igniters. The authors then clarify the influence of physical characteristics on explosive properties, focusing on those properties required for primary explosives. Furthermore, the issue of sensitivity is discussed. All the chapters on particular groups of primary explosives are structured in the same way, including introduction, physical and chemical properties, explosive properties, preparation and documented use. The authors thoroughly verified all data and information. A unique feature of this book are original microscopic images of some explosives.
Download or read book The Preparation Characterization and Chromium II Reduction of Pentaamminecobalt III written by Robert J. Balahura and published by . This book was released on 1971 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: The chromium(II) reduction of a series of pentaammine- cobalt(III) complexes has been studied. A classification into inner- or outer-sphere paths has been made and the position of attack of the reductant on the ligand determined. The oxygen-bonded complexes of formamide, N,N-dimethylform- amide, dimethylsulfoxide, and urea as well as the nitrogen bonded N-cyanoguanidine complex are reduced by means of an outer-sphere mechanism. On the other hand ligand transfer was shown to occur in the reduction of (NH[subscript 3])[subscript 5]CoNHCHO[superscript 2+], (NH[subscript 3])[subscript 5]CoNCNH[superscript 2+], (NH[subscript 3])[subscript 5]CoO[subscript 2]CNH[subscript 2][superscript 2+], (NH[subscript 3])[subscript 5]CoO[subscript 2]CC[subscript 6]H[subscript 4]CN[superscript 2+], and (NH[subscript 3])[subscript 5]CoNCO[superscript 2+]. Both outer- and inner-sphere paths operate in the reduction of the nitrile bonded 4-cyanophenol complex, the inner-sphere path comprising 20% of the overall reaction. For the reduction of the terephthalonitrile complex a classification into an inner- or outer-sphere path cannot be made/ and an outer-sphere electron transfer to the ligand is postulated as the rate-determining step. A large part of the work has been concerned with the characterization of the complexes and Chapter III describes the spectroscopic measurements undertaken as well as the chemical reactions of some of the complexes. The acid dissociation constant of the N isomer of formamidopentaamine- cobalt(III), cyanamidopentaamminecobalt(III), and the nitrile bonded 4-cyanophenol have been determined. The protonation equilibrium constant for carbamatopentaammine- cobalt(III) was also obtained. A kinetic study of the acid hydrolysis of isocyanatopentaamminecobalt(III) to form hexaamminecobalt(III) and carbon dioxide was carried out. The acylation of the cyanamide and 4-cyanophenol complexes was also studied. The results of the kinetic studies of the chromium(II) reductions indicate a possible correlation between the reduction rate and the half-wave potential for the reduction of the free ligand. The studies have led to the following generalizations regarding electron transfer reactions: (1) attack of reductant at a coordinated atom does not occur, (2) the atom attached to chromium(II) in the transition state must have two lone pairs of electrons, and (3) the reducibility of the complexed ligand plays an important role in the detailed mechanism for the transfer of the electron.
Download or read book Canadian Journal of Chemistry written by and published by . This book was released on 1987 with total page 688 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Comprehensive Dissertation Index 1861 1972 Chemistry written by Xerox University Microfilms and published by . This book was released on 1973 with total page 960 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Download or read book Directory of Graduate Research written by American Chemical Society. Committee on Professional Training and published by . This book was released on 1983 with total page 1294 pages. Available in PDF, EPUB and Kindle. Book excerpt:
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Download or read book Faculties Publications and Doctoral Theses in Chemistry and Chemical Engineering at United States Universities written by American Chemical Society. Committee on Professional Training and published by . This book was released on 1991 with total page 1646 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Comprehensive Dissertation Index Chemistry P Z written by and published by . This book was released on 1984 with total page 844 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Journal of the American Chemical Society written by American Chemical Society and published by . This book was released on 1970 with total page 1084 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Comprehensive Dissertation Index written by University Microfilms International and published by Ann Arbor, Mich. : University Microfilms International. This book was released on 1984 with total page 712 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Comprehensive Dissertation Index 1861 1972 Author index written by Xerox University Microfilms and published by . This book was released on 1973 with total page 1080 pages. Available in PDF, EPUB and Kindle. Book excerpt:
