Chromium oxychloride, formation

Chromium oxychloride, formation of, by CrCl2, 1 126 Chromium(II) salts, 6 144 Chromium (III) sulfate, anhydrous, 2 197... 

Element 106. The chemical properties of element 106 (eka-tungsten) are predicted to be similar to those of tungsten, molybdenum and to some extent chromium, offering an even richer chemistry of complex ions than these elements. The hexafluoride should be quite volatile and the hexachloride, pentachloride and oxychloride should be moderately volatile. Penneman and Mann predict a -)-4 oxidation state in aqueous solution. Jprgensen s selection of k is for the hydrated cation and is not intended to account for the effects of complex ion formation. However, since tungsten is stabilized in the oxidation state of -t-6 by the tungstate ion, an analogous situation may be expected for element 106. 

The application in the ML processes of such compounds, as the chromium dioxydichlo-ride and vanadium(5+) oxychloride (oxidators), the phosphorus trichloride (reductor) permits to expand the set of chemical interactions on surfaces in the s3mthesis of polymolecular layers. For the first time in work [14] the process of formation of oxide layer of phosphorus(5-f) on silica gel was carried out with application of oxidizing-reducing reactions ... 

Catalyst deactivation is a great impediment to industrial applications. In general, for Cl-VOC oxidation there are several factors that lead to catalyst deactivation, such as volatilization of the active phase, poisoning by strong adsorption of CI2/HCI, formation of a coke deposit on the porous structure, and metal particle sintering caused by the temperature. Transition metal oxides, particularly chromium and vanadia, are deactivated by the volatilization of metal oxychlorides formed on the catalyst... 

---