INDICATOR SYSTEM "ZR(IV)-ARSENAZO I" FOR ORTHOPHOSPHATE DETERMINATION IN FRESH AND BRAKISH WATERS: UDC 543.34; 543.062; 543.42.062. Вісник: Хімія. 2016;52(1):46-50. Accessed February 14, 2026. https://chemistry.bulletin.knu.ua/article/view/8596