DETERMINATION OF COBALT (II) ION FROM THE COMPOSITION OF THE INDUSTRIAL CAKE OF THE ALMALYK MMC JSC ENTERPRISE USING ORGANIC REAGENTS. iec [Internet]. 2024 Nov. 20 [cited 2025 Nov. 18];3(11):85-92. Available from: https://econferenceseries.com/index.php/iec/article/view/6098