INDICATOR SYSTEM "ZR(IV)-ARSENAZO I" FOR ORTHOPHOSPHATE DETERMINATION IN FRESH AND BRAKISH WATERS: UDC 543.34; 543.062; 543.42.062. Вісник: Хімія [Internet]. 2016 Dec. 6 [cited 2026 Feb. 14];52(1):46-50. Available from: https://chemistry.bulletin.knu.ua/article/view/8596