Vladimirova L.Nedeltcheva T.2024-07-162024-07-162024-07-162024-07-162016-01-011314-79781314-7471SCOPUS_ID:85113375064https://rlib.uctm.edu/handle/123456789/1331A dependence of the potential of silver ion-selective electrode with silver sulfide membrane versus the analytical concentrations of silver ions and thiosulphate is derived theoretically. Equations, valid at a ratio between the molar concentrations of thiosulfate and silver ions at least 20 times and a concentration of thiosulfate from 0.001 to 0.2 mol L-1 are found theoretically and proven experimentally.enArticle