Abstract
Phase equilibria have been studied in the sections of Mg(NO3)2–NaNO3–H2O and Ca(NO3)2–NaNO3–H2O systems at the ratio of salt components from 3: 1 to 1: 3 at temperatures of 0 to–35°C. A series of nitrate compositions has been determined, which are promising as deicing agents. Their theoretical (under equilibrium conditions) fusion ability with respect to ice at–5 to–10°C has been calculated. The corrosion activity of the composition of calcium and magnesium nitrates (1: 1) with respect to cement concrete (in collaboration with the test laboratory of OOO RSTs Opytnoe) has been measured. It has been found that the reagent meets criteria according to the action on cement concrete and can be used in aerodromes. This composition has been chosen as original for the development of a solid granular deicing agent on its basis for aerodromes.
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