Organic Crystals I Characterization
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Author |
: Norbert Karl |
Publisher |
: Springer Science & Business Media |
Total Pages |
: 169 |
Release |
: 2012-12-06 |
ISBN-10 |
: 9783642762536 |
ISBN-13 |
: 3642762530 |
Rating |
: 4/5 (36 Downloads) |
Synopsis Organic Crystals I: Characterization by : Norbert Karl
Lattice defects of organic molecular crystals affect their optical or electrical properties by changing the local energy structure. Lattice defects also playa very important role in the chemical and physical properties, for example, as an active site of a catalyst or an initiating point of a solid state reaction. However, very little has been reported on the defect structure of real organic crystals. In the past ten years it became clear that the origin and the structure of the defects depend on the geometrical and chemical nature of the building units of the crystal, the molecules. Molecular size, form and anisotropy, charge distribution, etc. cause the characteristic structure of the defect. Accordingly, a defect structure found in one compound may not be found in others. The defect structure of an organic crystal cannot be defined solely by the displacement of the molecular center from the normal lattice site. A rotational displacement of a molecule is frequently accompanied by a parallel shift of the molecular center. In addition to the usual geometrical crystallographic defects, chemical defects are important too which originate, for example, from differences in the substitution sites of molecules carrying side groups. In order to reveal such defect structures, direct imaging of molecules by high resolution electron microscopy is the only direct method.
Author |
: Norbert Karl |
Publisher |
: |
Total Pages |
: 176 |
Release |
: 1991-06-06 |
ISBN-10 |
: 3642762549 |
ISBN-13 |
: 9783642762543 |
Rating |
: 4/5 (49 Downloads) |
Synopsis Organic Crystals I by : Norbert Karl
Author |
: |
Publisher |
: |
Total Pages |
: 0 |
Release |
: |
ISBN-10 |
: 038753394X |
ISBN-13 |
: 9780387533940 |
Rating |
: 4/5 (4X Downloads) |
Synopsis Organic Crystals by :
Author |
: |
Publisher |
: Springer |
Total Pages |
: 196 |
Release |
: 1988-03-30 |
ISBN-10 |
: 3540186026 |
ISBN-13 |
: 9783540186021 |
Rating |
: 4/5 (26 Downloads) |
Synopsis Superhard Materials, Convection, and Optical Devices by :
Author |
: Amal Ali Elkordy |
Publisher |
: BoD – Books on Demand |
Total Pages |
: 488 |
Release |
: 2013-01-23 |
ISBN-10 |
: 9789535109471 |
ISBN-13 |
: 9535109472 |
Rating |
: 4/5 (71 Downloads) |
Synopsis Applications of Calorimetry in a Wide Context by : Amal Ali Elkordy
Calorimetry, as a technique for thermal analysis, has a wide range of applications which are not only limited to studying the thermal characterisation (e.g. melting temperature, denaturation temperature and enthalpy change) of small and large drug molecules, but are also extended to characterisation of fuel, metals and oils. Differential Scanning Calorimetry is used to study the thermal behaviours of drug molecules and excipients by measuring the differential heat flow needed to maintain the temperature difference between the sample and reference cells equal to zero upon heating at a controlled programmed rate. Microcalorimetry is used to study the thermal transition and folding of biological macromolecules in dilute solutions. Microcalorimetry is applied in formulation and stabilisation of therapeutic proteins. This book presents research from all over the world on the applications of calorimetry on both solid and liquid states of materials.
Author |
: Masami Sakamoto |
Publisher |
: Springer Nature |
Total Pages |
: 532 |
Release |
: 2020-07-10 |
ISBN-10 |
: 9789811550850 |
ISBN-13 |
: 9811550859 |
Rating |
: 4/5 (50 Downloads) |
Synopsis Advances in Organic Crystal Chemistry by : Masami Sakamoto
This book summarizes and records the recent notable advances in diverse topics in organic crystal chemistry, which has made substantial progress along with the rapid development of a variety of analysis and measurement techniques for solid organic materials. This review book is one of the volumes that are published periodically on this theme. The previous volume, published in 2015, systematically summarized the remarkable progress in assorted topics of organic crystal chemistry using organic solids and organic–inorganic hybrid materials during the previous 5 years, and it has been widely read. The present volume also shows the progress of organic solid chemistry in the last 5 years, with contributions mainly by invited members of the Division of Organic Crystal Chemistry of the Chemical Society of Japan (CSJ), together with prominent invited authors from countries other than Japan.
Author |
: Herbert C. Freyhardt |
Publisher |
: Springer Science & Business Media |
Total Pages |
: 203 |
Release |
: 2012-12-06 |
ISBN-10 |
: 9783642674679 |
ISBN-13 |
: 3642674674 |
Rating |
: 4/5 (79 Downloads) |
Synopsis Growth and Properties by : Herbert C. Freyhardt
Springer-Verlag, Berlin Heidelberg, in conjunction with Springer-Verlag New York, is pleased to announce a new series: CRYSTALS Growth, Properties, and Applications The series presents critical reviews of recent developments in the field of crystal growth, properties, and applications. A substantial portion of the new series will be devoted to the theory, mechanisms, and techniques of crystal growth. Occasionally, clear, concise, complete, and tested instructions for growing crystals will be published, particularly in the case of methods and procedures that promise to have general applicability. Responding to the ever-increasing need for crystal substances in research and industry, appropriate space will be devoted to methods of crystal characterization and analysis in the broadest sense, even though reproducible results may be expected only when structures, microstructures, and composition are really known. Relations among procedures, properties, and the morphology of crystals will also be treated with reference to specific aspects of their practical application. In this way the series will bridge the gaps between the needs of research and industry, the pos sibilities and limitations of crystal growth, and the properties of crystals. Reports on the broad spectrum of new applications - in electronics, laser tech nology, and nonlinear optics, to name only a few - will be of interest not only to industry and technology, but to wider areas of applied physics as well and to solid state physics in particular. In response to the growing interest in and importance of organic crystals and polymers, they will also be treated.
Author |
: Richard A. Pethrick |
Publisher |
: |
Total Pages |
: |
Release |
: 1997 |
ISBN-10 |
: OCLC:1060989822 |
ISBN-13 |
: |
Rating |
: 4/5 (22 Downloads) |
Synopsis Characterization of the Defect Structure in Molecular Organic Crystals Using Ultrasonic Measurements by : Richard A. Pethrick
Author |
: L. A. K. Staveley |
Publisher |
: Elsevier |
Total Pages |
: 183 |
Release |
: 2016-03-05 |
ISBN-10 |
: 9781483279992 |
ISBN-13 |
: 1483279995 |
Rating |
: 4/5 (92 Downloads) |
Synopsis The Characterization of Chemical Purity by : L. A. K. Staveley
The Characterization of Chemical Purity: Organic Compounds focuses on the processes, methodologies, and reactions involved in chemical purity. The selection first offers information on the concept of purity and its bearing on methods used to characterize purity and thermal methods, including general observations on impurity determination, freezing and melting phenomena, and classification of thermal methods of purity control. The manuscript also takes a look at density measurements, refractive index, and vapor pressure and boiling temperature measurements. The book ponders on chromatography and mass spectrometry. Discussions focus on chromatograms, testing of purity, quantitative and qualitative analysis, and liquid chromatography. The text also reviews optical, Raman, and nuclear magnetic resonance spectroscopy. Topics include infra-red (vibrational) spectra, experimental techniques, and nature of the Raman effect. Chemical and physical measurements, calibration of instruments, availability of standard reference materials, and value of human effort are discussed. The manuscript is a dependable reference for readers interested in chemical purity.
Author |
: C.J.M. Rooijmans |
Publisher |
: Springer Science & Business Media |
Total Pages |
: 146 |
Release |
: 2012-12-06 |
ISBN-10 |
: 9783642670619 |
ISBN-13 |
: 364267061X |
Rating |
: 4/5 (19 Downloads) |
Synopsis Crystals for Magnetic Applications by : C.J.M. Rooijmans
Springer-Verlag, Berlin Heidelberg, in conjunction with Springer-Verlag New York, is pleased to announce a new series: CRYSTALS Growth, Properties, and Applications The series will present critical reviews of recent developments in the field of crystal growth, properties, and applications. A substantial portion of the new series will be devoted to the theory, mechanisms, and techniques of crystal growth. Occasionally, clear, concise, complete, and tested instructions fqr growing crystals will be published, particularly in the case of methods and procedures that promise to have general applicability. Responding· to the ever-increasing need for crystal substances in research and industry, appropriate space will be devoted to methods of crystal characterization and analysis in the broadest sense, even though reproducible results may be expected only when structures, microstructures, and composition are really known. Relations among procedures, properties, and the morphology of crystals will also be treated with reference to specific aspects of their practical application. In this way, the series will bridge the gaps between the needs of research and industry, the pos sibilities and limitations of crystal growth, and the properties of crystals. Reports on the broad spectrum of new applications - in electronics, laser tech nology, and nonlinear optics, to name only a few - will be of interest not only to industry and technology, but to wider areas of applied physics as well and to solid state physics in particular. In response to the growing interest in and importance of organic crystals and polymers, they will also be treated.