00535naa#a2200181#i#450# EN\\bibl\102955 20250814195512.4 3034-4689 20250807b2025####ek#y0engy0150####ca RU RESEARCH OF THE PROCESS OF PRODUCING POTASSIUM SULFATE THERMOPHOSPHATES Journal article Kazan Kazan National Research Technological University 2025 2 с. Journal article local Shakirov T. R. Panaeva A. O. vestniktu.ru