Physical and chemical characteristics of samples of natural water of the Volga-Akhtuba floodplain

The article deals with the samples taken from the surface sources of the direction “Bobry - Middle Akhtuba” that were studied chemically for the purpose of the excess of the permissible exposure limit. There are considered the physical and chemical methods of the analysis. The authors conclude about the chemical composition of the surface water. The results are correlated with the researches of the other students concerning the theme.