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Inhibition of Thermal Decomposition of Lithium Chlorate and Formation of the Compound LiOH · LiClO3 in the Lithium Chlorate-Lithium Hydroxide System
Nikitina,Nikitina,Rosolovskii
, p. 927 - 931 (2008/10/08)
The binary compound LiOH · LiClO3 and its deuterated analogue were prepared and characterized. The incongruent melting point of the adduct is 195-200°C; the eutectic of LiOH · LiClO3 with LiClO3 contains about 30 mol % LiOH with an mp of 90-95°C. The character of the IR spectrum of the adduct suggests the possibility of the ionic structure [Li2OH]+[ClO3]-. The kinetics of chlorate decomposition were studied in mixtures of compositions 1 : 1, 1 : 2, and 1 : 3 (LiClO3 : LiOH) over the range 355-383°C. The decomposition proceeds in one step into chloride and oxygen and the rate of reaction does not depend on the amount of LiOH for these ratios. The process is described by two first-order equations with a transition at α = 0.3-0.4.
