Eco Sapience - Ecological Consciousness of the 21st Century Human in Science, Education & Society.
Российский университет дружбы народов (РУДН).
2019.
P. 74-78
The article addresses the experience in determination of the chemical indicators of water quality. Scientific value of the study is comprised by a new approach to the analysis that is carried on a single water sample. The paper notes the essential role of accurately maintained pH that is greatly important while applying complexometry method. The value of the total water hardness of some rivers and reservoirs in Russia are given.