Study Of The Solubility Diagram Of The System К+, NH4+ // 1/2 SO4-2 – H2O At 25, 50, 75 And 100 0С. Journal of Pharmaceutical Negative Results, [S. l.], p. 660–664, 2022. DOI: 10.47750/pnr.2022.13.S08.82. Disponível em: https://www.pnrjournal.com/index.php/home/article/view/2800.. Acesso em: 6 jun. 2026.