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Solid-state chemistry of new Tl2OCl2 and Tl4Cl6 (1983)

Singh, N. B. ; Singh, N. ; Tiwari, B. N. ; [et al.]

Springer

Journal of materials science 18 (1983), S. 3087-3091

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ISSN: 1573-4803

Source: Springer Online Journal Archives 1860-2000

Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics

Notes: Abstract Solid thallous carbonate reacts with chlorine gas with the formation of brown-coloured Tl2OCl2 as an intermediate compound. Further exposure to chlorine gas gives the yellow compound Tl4Cl6. Both the compounds contain Tl(I) and Tl(III) ions. The kinetic data obeyw 2=kt. The energy of activation was found to be 41.98 kcal mol−1. Thermo-gravimetry (TG) indicates that Tl2OCl2 decomposes into TlCl, Tl2O3 and chlorine gas above 250° C. In contrast, Tl4Cl6 is stable up to 420° C.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00700792

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