Determination of hardness, transparency, alkalinity and pH of water in Revdinskiy pond and of spring water
This paper presents the material of definition of hardness, transparency, alkalinity and pH of water in Revdinsky pond and spring water. It is known that more than half of all human diseases are associated with the consumption of unsafe drinking water. Now in the world places where you can find a clean natural water suitable for drinking are almost absent. Mountain glaciers, some underground lakes, keys and springs, Baikal, Antarctica, the Arctic are perhaps everything. Which of these is available to the modern city dweller? Large rivers are spoiled by industrial waste, rainwater contains dissolved gaseous emissions, water from a forest lake or river contains a large quantity of organic matter.