Статья

Solubility Studies of Sulfates of Copper, Zinc and Cobalt in Phosphoric Acid at 30 ºC

Murodjon SamadiyDepartment of Chemical Technology of Inorganic Substances, Yangiyer branch of Tashkent Chemical Technological Institute, 1 Tinchlik str., Yangiyer, UzbekistanDilbar RamazonovaDepartment of Chemical Technology of Inorganic Substances, Yangiyer branch of Tashkent Chemical Technological Institute, 1 Tinchlik str., Yangiyer, UzbekistanShavkat UmarovJizzakh Polytechnic Institute, 4 Islom Karimov st., 130100 Jizzakh, UzbekistanAisholpan ShamishovaTermez Institute of Agrotechnologies and Innovative Development, 288a I.Karimov st., 191200, Termez, UzbekistanKhilola MamatovaGulistan State Pedagogical Institute, 4 Gulistan st., 120204 Gulistan, UzbekistanNurbek AyakulovGulistan State Pedagogical Institute, 4 Gulistan st., 120204 Gulistan, Uzbekistan

Asian Journal of Chemistryjournal2023en

ABI

Аннотация

Present study reports the isothermal experiments conducted at 30 ºC to ascertain the solubility of copper, zinc and cobalt sulfates in phosphoric acid. The solubility diagram of CuSO4-H3PO4-H2O system is shown to have one branch, this is equivalent to the discharge of copper sulfate pentahydrate into the equilibrium solid phase. The solubility diagrams of zinc and cobalt sulfates have two branches of salt crystallization, corresponding to the release of hexahydrates and monohydrates of zinc and cobalt with increasing phosphoric acid content, saturated solutions in the ZnSO4-H3PO4-H2O and CoSO4-H3PO4-H2O systems become more viscous and denser, reaching a maximum at the transition point, while these indicators in the CuSO4-H3PO4-H2O system only increase.

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Темы

Crystallization and Solubility Studies Chemical and Physical Properties in Aqueous Solutions Extraction and Separation Processes

Идентификаторы

DOI: 10.14233/ajchem.2023.28499

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