Study of Physico-Chemical Properties of Phosphorate Solutions Israiljan Shamshidinov, Asadjon Kambarov, Rikhsitilla Najmiddinov, Ilyos Rustamov, Ilkham Usmanov and Murodjon Samadiy E3S Web Conf., 392 (2023) 02036 Published online: 06 June 2023 DOI: 10.1051/e3sconf/202339202036