S.V. Prokunin, V.I. Dobrovolskiy, L.V. Galkina, D.A. Vengina FSUE “VNIIFTRI”, Mendeleevo, Moscow regionprokunin@vniiftri.ru Al’manac of Modern Metrology № 1 (21) 2020, pages 197–202 The article provides information on the ionometric method of analysis and the prospects for its development. The importance of developing permanence of the verification conditions of ion-selective electrodes is emphasized. An example … Читать далее Development of technology for producing working standard of calcium ion activity for the verification of ion-selective electrodes