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Structural Chemistry of Silicates
As natural minerals, silica and silicates constitute by far the largest part of the earth's crust and mantle. They are equally important as raw materials and as mass produced items. For this reason they have been the subject of scientific research by geoscientists as well as by applied scientists in cement, ceramic, glass, and other industries. Moreover, intensive fun damental research on silicates has been carried out for many years because silicates are, due to their enormous variability, ideally suited for the study of general chemical and crystallographic principles. Several excellent books on mineralogy and cement, ceramics, glass, etc. give brief, usually descriptive synopses of the st...
The Physics and Technology of Amorphous SiO2
The contents of this volume represent most of the papers presented either orally or as posters at the international conference held in Les rd th Arcs, Savoie, from June 29 to July 3 1987. The declared objective of the conference was to bring together specialists working in various fields, both academic and applied, to examine the state of our under standing of the physics of amorphous sioz from the point of view of its structure, defects (both intrinsic and extrinsic), its ability to trans port current and to trap charges, its sensitivity to irradiation, etc. For this reason, the proceedings is divided, as was the conference schedule, into a number of sections starting from a rather academic...
Topics in Phosphate Chemistry
This book aims to open new fields of interest in phosphate chemistry and to suggest a new system of classification for phosphates. Due to the very rapid development of this branch of chemistry during the last thirty years and the very confusing nomenclature often used in chemical literature, this first attempt seems not only justified but necessary. The suggested classification is not revolutionary, with respect to condensed phosphates for instance, but establishes clear boundaries between some categories of compounds such as adducts and heteropolyanion-compounds. The first chapters cover the present state of phosphate chemistry in a general way and could serve as an introduction to phosphat...
Zeolites: Science and Technology
Zeolites have been the focus of intensive activity and growth in applications over the past 25 years in ion exchange, in adsorp tion and in catalytic process technology. Beginning with the syn thetic zeolites A,X and Y, continuing into the emerging ZSM series, and including selected natural zeolites, applications span the range from large-scale purification and separation to such major petroleum and petrochemical processes as catalytic cracking and aromatics alkylation. The future promises several new areas of signiciant use as our energy resource base is expanded. As a result, a NATO Advanced Study Institute on Zeolites was held in Alcabideche, Portugal, May 1-12, 1983. Its purpose was to s...
Host-Guest-Systems Based on Nanoporous Crystals
Interest in nanoporous crystals as host-guest systems has risen dramatically over the past few years, such that this fascinating class of substances now plays an important role not only in material sciences, but also in numerous other disciplines, such as organic or supramolecular chemistry. With their unique characteristics, nanoporous crystals offer a wide range of possible applications: They are used as molecular sieves or membranes as well as catalytic converters. This work presents the very first overview of this exciting field. Readers will find everything they need to know about these unusual materials, with all their many attributes: · Synthesis of host-guest systems · Description of the structural and dynamic aspects · Electronic and optical characteristics of the materials · Possible applications. An indispensable reference for materials scientists as well as for catalytic and inorganic chemists, and all those working in the field.
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Nanoporous Materials II
The first symposium on Access in Nanoporous Materials was held in Lansing, Michigan on June 7-9, 1995. The five years that have passed since that initial meeting have brought remarkable advances in all aspects of this growing family of materials. In particular, impressive progress has been achieved in the area of novel self-assembled mesoporous materials, their synthesis, characterization and applications. The supramolecular self-assembly of various inorganic and organic species into ordered mesostructures became a powerful method for synthesis of mesoporous molecular sieves of tailored framework composition, pore structure, pore size and desired surface functionality for advanced applicatio...
Silicate Structures and dispersion system
Silicate Science, Volume VI: Silicate Structures and Dispersoid Systems reviews the advances made in silicate research from 1960 through 1970, with emphasis on X-ray diffraction methods, their theory, and the refinements of special silicate structures, particularly of natural silicate minerals or of synthetic products. The Zolati systematics of silicate crystal structures are used in this treatise, along with the principle of a systematics after the "sharing coefficients." Comprised of three sections, this volume begins with an overview of the progress made in infrared and Raman spectroscopy as well as the Mössbauer nuclear paramagnetic resonance method. Advances in experimental techniques ...
Semiconductor Nanocrystals and Silicate Nanoparticles
This historic book may have numerous typos and missing text. Purchasers can usually download a free scanned copy of the original book (without typos) from the publisher. Not indexed. Niet afgebeeld. 1896 edition. Uittreksel: ...van kai met een verbaal woord, bij de verleden deelwoorden met raa, den passieven vorm met ndai en het participium passivum praesens. behandeld in 62, de eenigste vormen, waarin zich in het Bim. eene bepaalde passieve constructie ontwikkeld heeft. Dit is zeer begrijpelijk, bij de actieve constructie toch is het alleen maar eene zaak van vorm of men zegt: ta-bonto-ku kai malanta of ta-bonto-kai-ku malanta (vgl. de vorige ), bij de passieve constructie daarentegen gaat ...
