Abstract

As a result of analyzing solutions and dry residues obtained during the study of the interaction of core samples with various types of water, it was found that the interaction of the core with distilled water resulted in the dissolution of Na++K+, Ca2+, Cl-, HCO3- ions and other components, leading to a decrease in the mass of the core dry residue by more than 2.0%. Interaction of the core with technical water led to an increase in mass by approximately 1.0%. In the case of seawater, the mass of the core dry residue decreased by more than 1.0%. The conducted research proves that the interaction of the core with different types of water causes certain physico-chemical processes, as a result of which the dissolution and precipitation of various salts occur. These results can have significant practical value in conducting analysis and determining the composition of various solutions. Keywords: Core; Technical water; Seawater; Distilled water; Soluble salts; Precipitated salts; Sulfate-sodium type.

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