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STUDYING PHASE RAVNOVESY IN FOURFOLD WATER-SALT SYSTEM (NH4)2SO4 – (NH4)2HPO4 – CO(NH2)2 –H2O AT 25 °C THE OPTIMIZED METHOD OF SECTIONS

Noskov M.N
Optimized method of sections are investigated phase equilibria in system CO(NH2)2 − (NH4)2SO4 − (NH4)2HPO4 − H2O at 25 °C. For the first time delineating three-component systems CO(NH2)2 − (NH4)2SO4 − H2O and CO(NH2)2 − (NH4)2HPO4 − H2O are studied at 25 °C [1]. The system CO(NH2)2 − (NH4)2SO4 − (NH4)2HPO4 − H2O at 25 °C has simple evtonic type. The composition of evtonic solution and its firm phases sating is established, studied lines of univariant equilibria of joint crystallization of sulfate and hydrophosphate of ammonium, a carbamide and ammonium hydrophosphate, surfaces of crystallization of hydrophosphate and sulfate of ammonium are investigated and the arrangement of evtonic solution and lines of univariant equilibria near the plane is shown. The obtained data can be used as help or for a choice of optimum compositions of liquid complex fertilizers.

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Носков М.Н ИЗУЧЕНИЕ ФАЗОВЫХ РАВНОВЕСИЙ В ЧЕТВЕРНОЙ ВОДНО-СОЛЕВОЙ СИСТЕМЕ (NH4)2SO4 – (NH4)2HPO4 – CO(nh2)2 –h2o ПРИ 25 °С ОПТИМИЗИРОВАННЫМ МЕТОДОМ СЕЧЕНИЙ // Научное обозрение. Химические науки. 2020. № 1. С. 25-26;
URL: https://science-chemistry.ru/en/article/view?id=31 (дата обращения: 27.07.2026).