Characteristic of fraction composition from bottom sediments the sulfide peloids of various mineralization

The study is devoted to the research of fractional composition of peloids organic substances from low-mineralized lakes in Samara oblast and highly mineralized lakes of the Stavropolskiy Krai. As a result of the conducted studies, it was found that the fractional composition of specific organic substances in peloids depends on the mineralization of the solution and is determined by thermodynamic conditions for the formation deposits. In the low-mineralized peloids the most mobile fractions are present, including free humic acids in them.