The Infona portal uses cookies, i.e. strings of text saved by a browser on the user's device. The portal can access those files and use them to remember the user's data, such as their chosen settings (screen view, interface language, etc.), or their login data. By using the Infona portal the user accepts automatic saving and using this information for portal operation purposes. More information on the subject can be found in the Privacy Policy and Terms of Service. By closing this window the user confirms that they have read the information on cookie usage, and they accept the privacy policy and the way cookies are used by the portal. You can change the cookie settings in your browser.
After a historical excursus, the basic properties of tungsten are summarized, followed by selected classes of inorganic compounds (tungsten halides and oxyhalides, tungsten oxides, Magnéli phases and tungsten bronzes, iso- and heteropolyoxotungstates). Subsequently, the specifics of non-sag tungsten wire as well as tungsten carbide and a variety of tungsten alloys, the green bullets and the suppression...
The basic properties of molybdenum and subsequently the methods of producing metallic molybdenum are described. Selected classes of important inorganic compounds (molybdenum halides, molybdenum oxides, iso- and hetero-polyoxomolybdates) as well as molybdenum hexacarbonyl and hybrid inorganic–organic materials are presented. Thereafter the focus is directed to various applications of metallic molybdenum,...
The basic properties of chromium are described, subsequently the discovery of chromium ores and the various methods of producing metallic chromium. How native chromium is formed and why the gemstone ruby has a connection to chromium are the following topics. The coordination of tri- and hexavalent chromium, hydrate isomerism, crystal field theory of CrIII and chromium(III)-containing polyoxotungstates...
Set the date range to filter the displayed results. You can set a starting date, ending date or both. You can enter the dates manually or choose them from the calendar.