A. R. Banya Department of Physico-Сhemistry of Combustive Minerals, L. M. Lytvynenko InPOCC Ukraine
V. I. Baranov Ivan Franko National University of Lviv Ukraine
I. V. Karpenko Department of Physico-Сhemistry of Combustive Minerals, L. M. Lytvynenko InPOCC Ukraine
N. I. Koretska Department of Physico-Сhemistry of Combustive Minerals, L. M. Lytvynenko InPOCC Ukraine
R. I. Vildanova Department of Physico-Сhemistry of Combustive Minerals, L. M. Lytvynenko InPOCC Ukraine
O. V. Karpenko Department of Physico-Сhemistry of Combustive Minerals, L. M. Lytvynenko InPOCC Ukraine