Polythermal Solubility of the Sodium Chlorate–Triethanolammonium Sulfate–Water System

This work aims to identify the composition of a new effective defoliant by studying the interactions of components in the NaClO3–H2SO4∙N(C2H4OH)3–H2O system. The solubility of the NaClO3–H2SO4∙N(C2H4OH)3–H2O ternary system was studied by the visual-polythermal method in varying temperatures and concentrations. A polythermal solubility diagram of the system has been constructed in the temperature range from –28.5 to 70.0°C. On its phase diagram the crystallization fields of ice, sodium chlorate, triethanolammonium sulfate and a new compound of the system, namely, sodium sulfate triethanolammonium are delimited. According to the results of experiments conducted to study the solubility of the NaClO3–H2SO4∙N(C2H4OH)3–H2O system, this system belongs to the complex eutonic type.

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