Water has become the cradle of all living things for a reason. The fact is that it has just wonderful chemical properties. Even those substances that do not have special chemical activity can react with water. Other substances become more active when in water.
Thousands and thousands of substances are usually dissolved in water. These can be solid particles, liquids, or even gas. This is why water can vary greatly in its composition.
It is customary to classify water by the amount of substances that are dissolved in it. If the minerals are less than 1 gram per liter, such water is called “fresh”. When there are 1 to 50 grams of minerals per liter, the water is called “mineralized”. If the water contains more than 50 grams of impurities per liter, then this is “salt” water.
How water is purified
Many methods can be used to purify water. For example, to rid water of particulate matter, you need to filter it. As a filter, porous substances are usually used: coal, sand, clay, etc. This process also allows you to get rid of a significant number of microorganisms, which are also abundant in water.
Chlorination is still the most popular cleaning method. Usually, about 0.5-0.7 grams of chlorine is required to clean a ton of water. Obviously, filtration only removes insoluble substances. And chlorination – from harmful bacteria. Distillation or ion exchange can also be used to remove solutes.
Some properties of water
Water is a rather complex substance. Do not forget that a water molecule consists of one oxygen atom and two hydrogen atoms. However, hydrogen has several isotopes, tritium and deuterium. Therefore, water usually includes a little “heavy” and “superheavy” water – depending on which isotope of hydrogen is used to create the molecule.
Liquid water is an ideal “fluid body”. At the same time, water retains some of the properties of ice, which is a crystal.
As we said above, gases can dissolve in water. There are many gases from the atmosphere in ocean, sea, river and lake water. In deep springs, water is filled with underground gases. Different gases can only dissolve in water under certain conditions. It all depends on the ambient temperature, pressure, mineralization level, etc.
Solids dissolve in water by electrostatics. Ions of one sign in solids are attracted to ions of another sign in water. This is why water is called “electrolyte” in science. It can “absorb” other solids. It is important that many substances in water take on a colloidal form. Therefore, although water is not a nutrient, it is necessary to feed all life on our planet.
As we said above, water absorbs underground gases underground. Such water is divided into three groups: chloride, sulfate and hydrocarbonate. This is also referred to as “ionic composition classification”.
Also, water can be classified by cations. There are three types of water, depending on whether it is dominated by calcium, magnesium or sodium.
Recall that one of the most important indicators of water is its pH. This value indicates the concentration of hydrogen ions. For example, in seawater, the pH is approximately 8.
Remember! To stay healthy, a person should drink about 2 liters of water a day. You can order clean drinking water from an underground source at the Waters of Health company. Call and order!
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