Salt is sodium chloride, used as a food additive, food preservative. It is also used in the chemical industry, medicine. It serves as the most important raw material for the production of caustic soda, soda and other substances. The formula for table salt is NaCl.
Formation of an ionic bond between sodium and chlorine
The chemical composition of sodium chloride reflects the conditional formula NaCl, which gives an idea of the equal number of sodium and chlorine atoms. But the substance is formed not by diatomic molecules, but consists of crystals. When an alkali metal interacts with a strong non-metal, each sodium atom gives off more electronegative chlorine. There are sodium cations Na + and anions of the acid residue of hydrochloric acid Cl - . Oppositely charged particles are attracted, forming a substance with an ionic crystal lattice. Small sodium cations are located between large chloride anions. The number of positive particles in the composition of sodium chloride is equal to the number of negative ones, the substance as a whole is neutral.
Chemical formula. Table salt and halite
Salts are complex ionic substances whose names begin with the name of the acid residue. The formula for table salt is NaCl. Geologists call a mineral of this composition “halite”, and sedimentary rock is called “rock salt”. An obsolete chemical term that is often used in industry is "sodium chloride". This substance has been known to people since ancient times, it was once considered "white gold". Modern schoolchildren and students, when reading the equations of reactions involving sodium chloride, call chemical signs ("sodium chloride").
We will carry out simple calculations according to the formula of the substance:
1) Mr (NaCl) \u003d Ar (Na) + Ar (Cl) \u003d 22.99 + 35.45 \u003d 58.44.
The relative is 58.44 (in amu).
2) The molar mass is numerically equal to the molecular weight, but this value has units of g / mol: M (NaCl) \u003d 58.44 g / mol.
3) A 100 g sample of salt contains 60.663 g of chlorine atoms and 39.337 g of sodium.
Physical properties of table salt
Brittle crystals of halite are colorless or white. In nature, there are also deposits of rock salt, painted in gray, yellow or blue. Sometimes mineral substance has a red tint, due to the types and amount of impurities. The hardness of halite is only 2-2.5, the glass leaves a line on its surface.
Other physical parameters of sodium chloride:
- smell - absent;
- taste - salty;
- density - 2.165 g / cm3 (20 ° C);
- melting point - 801 ° C;
- boiling point - 1413 ° C;
- solubility in water - 359 g / l (25 ° C);
Obtaining sodium chloride in the laboratory
When metallic sodium reacts with gaseous chlorine in a test tube, a substance is formed white color- sodium chloride NaCl (common salt formula).
Chemistry gives insight into various ways getting the same connection. Here are some examples:
NaOH (aq.) + HCl \u003d NaCl + H 2 O.
Redox reaction between metal and acid:
2Na + 2HCl \u003d 2NaCl + H 2.
Action of acid on metal oxide: Na 2 O + 2HCl (aq.) = 2NaCl + H 2 O
Displacement of a weak acid from a solution of its salt by a stronger one:
Na 2 CO 3 + 2HCl (aq.) \u003d 2NaCl + H 2 O + CO 2 (gas).
For use in industrial scale all these methods are too expensive and complicated.
Salt production
Even at the dawn of civilization, people knew that after salting, meat and fish last longer. Transparent, regular-shaped halite crystals were used in some ancient countries instead of money and were worth their weight in gold. The search and development of halite deposits made it possible to meet the growing needs of the population and industry. The most important natural sources of table salt:
- deposits of the mineral halite in different countries;
- water of the seas, oceans and salt lakes;
- layers and crusts of rock salt on the banks of salt water bodies;
- halite crystals on the walls of volcanic craters;
- salt marshes.
In industry, four main methods of obtaining table salt are used:
- leaching of halite from the underground layer, evaporation of the resulting brine;
- mining in ;
- evaporation or brine of salt lakes (77% of the mass of dry residue is sodium chloride);
- usage by-product salt water desalination.
Chemical properties of sodium chloride
In its composition, NaCl is a medium salt formed by an alkali and a soluble acid. Sodium chloride is a strong electrolyte. The attraction between ions is so strong that only highly polar solvents can destroy it. In water, substances decompose, cations and anions (Na +, Cl -) are released. Their presence is due to the electrical conductivity, which has a solution of common salt. The formula in this case is written in the same way as for dry matter - NaCl. One of the qualitative reactions to the sodium cation is the yellow coloring of the burner flame. To obtain the result of the experiment, you need to collect a little solid salt on a clean wire loop and add it to the middle part of the flame. The properties of table salt are also associated with the feature of the anion, which consists in a qualitative reaction to the chloride ion. When interacting with silver nitrate in solution, precipitates white precipitate silver chloride (photo). Hydrogen chloride is displaced from the salt by stronger acids than hydrochloric: 2NaCl + H 2 SO 4 = Na 2 SO 4 + 2HCl. At normal conditions sodium chloride does not undergo hydrolysis.
Areas of application of rock salt
Sodium chloride lowers the melting point of ice, which is why a mixture of salt and sand is used on roads and sidewalks in winter. It absorbs a large amount of impurities, while thawing pollutes rivers and streams. Road salt also accelerates the corrosion process of car bodies and damages trees planted next to roads. In the chemical industry, sodium chloride is used as a raw material for the production of a large group of chemicals:
- of hydrochloric acid;
- metallic sodium;
- gaseous chlorine;
- caustic soda and other compounds.
In addition, table salt is used in the manufacture of soaps and dyes. As a food antiseptic, it is used in canning, pickling mushrooms, fish and vegetables. To combat thyroid disorders in the population, the table salt formula is enriched by adding safe iodine compounds, for example, KIO 3 , KI, NaI. Such supplements support the production of thyroid hormone, prevent the disease of endemic goiter.
The value of sodium chloride for the human body
The formula of table salt, its composition has become vital for human health. Sodium ions are involved in the transmission of nerve impulses. Chlorine anions are necessary for the production of hydrochloric acid in the stomach. But too much salt in food can lead to high blood pressure and an increased risk of developing heart and vascular disease. In medicine, with a large blood loss, patients are injected with physiological saline. To obtain it, 9 g of sodium chloride is dissolved in one liter of distilled water. The human body needs a continuous supply of this substance with food. Salt is excreted through the excretory organs and skin. The average content of sodium chloride in the human body is approximately 200 g. Europeans consume about 2-6 g of table salt per day, in hot countries this figure is higher due to higher sweating.
Everyone has probably heard the expression: “bread is the head of everything, but without salt you can’t go anywhere.” Indeed, table salt is used not only in the kitchen for cooking, but has wide range applications. Do you know where to use salt? I want to talk about the unconventional use of salt. I hope this information is useful to you.
Using salt in the kitchen but not for cooking
Salt is an excellent cleaning agent. It is indispensable if you need:
Clean a frying pan or pan that is burnt on the stove (just pour salt on the bottom in a thick layer, fill it with water, let it stand overnight, then boil it and the burnt food will be easily cleaned off);
Refresh kitchen sponges for dishes (soak them briefly in salt water);
Remove mold (paste lemon juice and salt, wipe the places of accumulation of mold);
Clean silverware (soak silver for several hours in saline solution (1 teaspoon per glass of water), then boil for 10-15 minutes, wash and wipe);
Cleans darkened crystal vases, glasses, jugs (wipe them with a mixture coarse salt with vinegar, then rinse);
Clean porcelain cups or coffee pot from plaque (wipe them with dry salt);
Delete bad smell from the pipes under the sink (spill the pipes with hot concentrated salt solution);
Eliminate the unpleasant smell in the refrigerator (wipe it with a damp cloth soaked in a solution of salt and soda);
Get rid of bad smell in the oven or microwave (wash them with salt mixed with cinnamon);
Use of salt in washing and drying clothes
Terry bathrobes and towels will be soft and fluffy if you hold them in salt water, then rinse, dry and do not iron;
Colored fabrics will not shed if washed in cold water with added salt;
To refresh the color of black fabrics, you need to add a pinch of salt to the water during the last rinse;
Things embroidered with colored threads should be soaked in salt water (two teaspoons of salt per liter of water), then washed in salted water room temperature. Then dry well and iron the product from the inside out;
Chocolate stains are easy to remove with heavily salted water;
A solution of table salt (one tablespoon per glass of water) can remove fresh traces of sweat from clothes (clothes should be soaked in this solution for half an hour);
If you want your laundry not to freeze when drying cold winter, be sure to rinse it in salt water;
Wooden clothespins will last longer if boiled in salt water;
Salt will help clean the surface of the iron (you just need to run a heated iron over a sheet of paper several times, on which a thin layer of fine salt is poured);
Salt will help whiten the bath if rubbed with a powder consisting of equal parts of salt and baking soda, or a mixture of turpentine and salt in equal parts.
The use of salt in the house and in the country
The salt will help freshen the air in the room.
An accelerated version is possible (cut an orange into two parts and sprinkle salt on them) and a long-playing one (in glass jar fold in layers orange peel 6-12 mm thick and salt 6 mm and put it in the room, if desired, orange peel can be replaced with rose or lavender petals).
Salt will help to quickly melt the stove or fireplace in the house.
To do this, it is enough to throw a pinch of salt on raw firewood, then they will flare up faster and will burn longer.
Salt will clean the chimney of soot.
It is enough to regularly throw two tablespoons of salt into the fire of a fireplace or stove.
Salt will help clear frozen windows.
It is necessary to wipe the windows with saline solution (2 tablespoons of salt per glass of water). The same solution will also help clean the windshield of the car if it is covered with ice.
Just add a pinch of salt to the water.
Salt will help remove fresh white spots from hot on a wooden table.
It is necessary to make a pasty mixture of one teaspoon of salt and a little vegetable oil and gently rub it into the stain, leave for 20 minutes, then remove the residue with a dry cloth.
Salt will restore the original appearance of burnt-out wicker furniture.
It is enough to wipe it with a stiff brush dipped in warm salt water and let it dry, preferably in the sun.
Salt will help seal nail holes in the wall.
It is necessary to prepare a paste (for 5 teaspoons of water, you need to take two teaspoons of salt and food starch) and apply it to the holes in the wall and let it dry for 3 hours.
Sick plants should be sprayed with a strong solution of table salt (100 grams per liter of water). As a result, the leaves will turn yellow and fall off, the plant will stop growing and all the power will be spent on the ripening of the tomato. In addition, the salt film will protect the fruit from further infection.
The salt will protect the onion from the onion fly.
At the first yellowing of the onion, you need to sprinkle the bed with coarse table salt (about a kilogram of salt per 10 square meters) and spill it well with water, the salt should dissolve.
Salt will help get rid of burdock.
It is necessary to cut them at ground level and sprinkle with salt.
- Salt will protect strawberries from garden ants.
If an anthill appears on your strawberries, then pour it with a solution of table salt.
- Salt will stop the growth of horseradish or unnecessary bushes
Dig up unnecessary bushes, sprinkle salt on the remaining roots.
The use of salt in cosmetic purposes
Regular baths will help sea salt and iodine (100 grams of salt and 2 drops of iodine per liter of water).
Soap-salt (3 tablespoons of salt and ¼ grated soap per 8 liters of water) will make your heels tender and soft.
Salt cream (¼ cup table salt, ¼ cup Epsom salts, ¼ cup vegetable oil) will soften and smooth rough skin on elbows, knees and soles.
If you want to have, then try doing hand peeling using fine table salt and olive oil. Rub this mixture into the skin of the hands with a cotton swab for only 2 minutes, and then rinse with warm water.
Fine salt acts like a scrub on the skin, removing dead cells. Sprinkle salt on a sponge and wipe dampened skin.
The use of salt in folk medicine
If your throat starts to hurt, make a saline solution (half a teaspoon of salt in a glass of warm water, you can add the same amount of baking soda and a few drops of iodine) and gargle.
If a runny nose begins, then heat the salt in a pan, put it in a cloth bag and warm the maxillary sinuses, or make a circular salt bandage through the forehead and back of the head at night.
- Salt will help with bruises.
Bruises will heal faster if they are covered with a bandage of salt and vinegar.
- Salt will relieve the condition of a wasp or bee sting.
Apply a wet pinch of salt to the bite site, the pain will subside, the swelling will subside.
For toothache, rinse your mouth with salt water after every meal and before going to bed.
Every day for a week, salt ground on a coffee grinder massages the gum area and rubs the surface of the teeth, which leads to the removal of tartar and teeth whitening. The course can be repeated no earlier than in a month.
- Salt will relieve fatigue from the legs if after a hard day put your feet in warm water with table salt.
Today you learned where to use salt. However, there are a lot of ways to use salt, I hope that you will tell us about your ways of using it.
Rock salt is a sedimentary mineral composed primarily of sodium chloride. The composition of impurities depends on the characteristics of the deposits. Why is it rock salt, and not just, for example, sodium or chloride? This name reflects the state of the mineral and the attitude of man towards it. In the state of a natural deposit, these are really salty stones. Then, after processing halite, as this salt is also called, it becomes just the former salty powder. It is in this form that it acquires the name of table salt.
Rock salt is a sedimentary mineral composed primarily of sodium chloride.
Halite stone belongs to natural minerals of the class of halides of the subclass of sodium chloride. However, most people on the planet know this stone simply by the name of salt.
The mineral halite received its scientific name in Ancient Greece. The translation of this word is ambiguous, but its meaning is with two concepts - the sea and salt. Chemical formula simple rock salt is NaCl as the main substance and other elements as impurities. Pure rock salt contains 61% chlorine and 39% sodium.
IN pure form this mineral can be:
- transparent;
- opaque, but translucent;
- colorless or white with signs of a glassy luster.
However, pure NaCl is rare in nature. Its deposits may have shades of colors:
- yellow and red (presence of iron oxide);
- dark - from brown to black (impurities of decomposed organic matter, for example, humus);
- gray (impurities of clay);
- blue and lilac (presence of potassium chloride).
The mineral halite is fragile, hygroscopic and, of course, salty in taste. It dissolves well in water at any temperature, but melts only at high temperatures - not lower than 800 ° C. When fire melts, it turns yellow.
The crystal structure of rock salt is a dense cube, in the nodes of which there are negative chlorine ions. The octahedral voids between the chlorine atoms are filled with positively charged sodium ions. The crystal lattice device is a pattern perfect order- in it, each chlorine atom is surrounded by six sodium atoms, and each sodium atom is adjacent to the same number of chlorine ions.
Ideal cubic crystals in some deposits are replaced by octahedral ones. In salt lakes, crusts and drusen can form at the bottom.
Gallery: rock salt (25 photos)
Rock salt stone massage (video)
Origin of salt deposits
Rock salt is a mineral of exogenous origin. Salt deposits were formed during sedimentary processes in a dry and hot climate. The origin of salt deposits is associated with the slow drying of endorheic salt lakes, sea bays and shallow waters.
In small quantities, salt halite is formed during soil salinization, during volcanic activity. Soil salinization occurs in arid regions. This process can develop in natural or anthropogenic conditions. Natural salinization occurs where groundwater with high water salinity comes close to the surface. Such water evaporates, and a salt crust forms on the surface of the soil. In addition, the soil can also become saline from above, for example, during surge sea floods or tsunamis. In this case, a large amount of salt sea water penetrates into the lower horizons of the soil, and then evaporates, and salt is deposited on the surface.
A person salts the soil with abundant watering in an arid climate. In regions where the evaporation of water from the lower layers of the soil in aggregate exceeds the inflow of water with precipitation, the soil is highly mineralized. If it is watered, then evaporation also increases. As a result, minerals deposited in different soil layers come to the surface. On such soil, a salt crust is formed, preventing any manifestation of life.
Rock salt, according to its origin, is divided into the following categories.
- Self-sustaining, which is formed in evaporite basins, deposited as granular crusts and druses.
- Stone, lying in large layers between different rocks.
- Volcanic salt rock that is deposited in fumaroles, craters and lavas.
- Solonchaks representing salt crusts on the soil surface in arid climate.
Geography of the main deposits
Halite is concentrated mainly in deposits of the Permian period. It was about 250 - 300 million years ago. Then almost everywhere in Eurasia and North America dry and hot climate. Salt water reservoirs quickly dried up, and salt layers were gradually covered by other sedimentary rocks.
On the territory of Russia, the largest deposits of halite are located in the Urals (Solikamskoye and Iletskoye deposits), in Eastern Siberia near Irkutsk (Usolye-Sibirskoye deposit). Halite is mined on an industrial scale in the lower reaches of the Volga, as well as on the shores of the famous salt lake Baskunchak.
Significant halite deposits are located:
- in the region of Donetsk (Artemovskoye field);
- in the Crimea (Sivash region);
- in northern India in the state of Punjab;
- in the USA - the states of New Mexico, Louisiana, Kansas, Utah;
- in Iran, the Urmia deposit;
- in Poland, the salt mines of Bochnia and Wieliczka;
- in Germany near Bernburg, where halite has blue and lilac hues;
- large salt lakes are located in the western part of South America.
The use of rock salt
No matter how scolded the use of rock salt in Food Industry and in everyday life, a person cannot do without this “white death”. These are not just compounds of minerals, although the complex composition of rock salt in some deposits is very much appreciated in medicine. Salt dissolved in water or food is an increase in the number of ions, that is, positively and negatively charged particles, which activates all processes in the body.
However, halite has also found its application in the chemical industry. For example, the production of hydrochloric acid, sodium peroxide and other compounds that are in demand in various consumer sectors is indispensable without NaCl. The use of halite, in addition to its consumption in food, provides more than 10,000 different production and end-use processes.
This mineral is still the most popular and cheapest preservative that helps people live from one crop to another, transport food over long distances, and stock up on food for future use. The function of salt as a preservative has saved and is now saving people around the world from starvation.
In our time, sodium chloride has become one of the cheapest food products. And once there were salt riots. Convoys with this product moved under heavy guard. This product was part of the soldiers' rations. Perhaps the consonance of the words soldier and salt is not accidental.
How rock and extra salt is produced (video)
Salt extraction methods
How is halite mined today? Modern mining is carried out by several methods.
- Mass mining a large number rock salt is produced by the mine method, which consists in extracting rock salt from sedimentary rocks. Since halite is a solid solid monolith, it must be softened at high temperature and under pressure. Salt combines are used to raise salt to the surface.
- The vacuum method consists in digesting minerals from water with high level dissolved salt concentration. To obtain brine, a well is drilled, reaching a rock salt deposit. After that, clean fresh water is pumped into the bowels. The mineral quickly dissolves in it, forming a saturated solution. After that, the brine is pumped to the surface. Usually salt is mined in this way for food and medical needs, since the brine does not contain impurities of other rocks.
- The lake method is based on the extraction of salt in open salt reservoirs. This method does not require the construction of boreholes or the construction of mines. However, the product obtained in this way needs to be thoroughly cleaned, which affects the cost.
- The method of evaporating sea water has been practiced for about 2,000 years. It was popular in countries with dry and hot climates. To obtain salt from sea water, energy sources were not needed here, since the sun itself did an excellent job of evaporating water. However, such a process was very slow, therefore, with a large concentration of the population, thirsting for salt, a special heating was used.
The opposite of evaporation is a method practiced in regions with a cold climate. This is because fresh water freezes faster than salt water. For this reason, in the vessel, early ice, when melted, was practically fresh water. In the remaining water, the salt concentration increases. So from sea water it was possible to simultaneously obtain fresh water and saturated brine. Of water late ice salt was digested quickly and with less energy consumption.
Nowadays, NaCl is a product that has become familiar, and the sign that spilled salt to a quarrel is bewildering. The use of sodium chloride in food has the character of bringing its taste to the state of sea water. This is the need of all organisms living on land.
The fact is that life arose in sea water. Not surprisingly, the internal environment of the human body corresponds to the parameters of salty sea water. So by consuming salt, we restore the mineral balance established by evolution. Just don't stand out from the weak saline solution make a saturated solution and eat a lot of salt.
Salts - organic and inorganic chemical substances complex composition. In chemical theory there is no strict and definitive definition of salts. They can be described as compounds:
- consisting of anions and cations;
- obtained as a result of the interaction of acids and bases;
- consisting of acidic residues and metal ions.
Acid residues can be associated not with metal atoms, but with ammonium ions (NH 4) +, phosphonium (PH 4) +, hydroxonium (H 3 O) + and some others.
Salt types
- Acid, medium, basic. If in an acid all hydrogen protons are replaced by metal ions, then such salts are called medium salts, for example, NaCl. If hydrogen is only partially substituted, then such salts are acidic, for example. KHSO 4 and NaH 2 PO 4 . If hydroxyl groups(OH) - the bases are not completely replaced by the acid residue, then the salt is basic, for example. CuCl(OH), Al(OH)SO 4 .
— Simple, double, mixed. Simple salts consist of one metal and one acid residue, for example, K 2 SO 4. There are two metals in double salts, for example KAl(SO 4) 2 . In mixed salts, two acid residues, for example. AgClBr.
— Organic and inorganic.
- Complex salts with a complex ion: K 2, Cl 2 and others.
— Crystal hydrates and crystal solvates.
— Crystalline hydrates with molecules of water of crystallization. CaSO 4 * 2H 2 O.
— Crystal solvates with solvent molecules. For example, LiCl in liquid ammonia NH 3 gives LiCl*5NH 3 solvate.
— Oxygen-containing and not containing oxygen.
- Internal, otherwise called bipolar ions.
Properties
Most salts are solids with high temperature melting, non-conductive. Solubility in water is an important characteristic; on its basis, reagents are divided into water-soluble, slightly soluble and insoluble. Many salts are soluble in organic solvents.
Salts react:
- with more active metals;
- with acids, bases, other salts, if during the interaction substances are obtained that do not participate in the further reaction, for example, gas, insoluble precipitate, water. Decompose when heated, hydrolyze in water.
In nature, salts are widely distributed in the form of minerals, brines, salt deposits. They are also mined from sea water, mountain ores.
Salts are essential human body. Iron salts are needed to replenish hemoglobin, calcium - are involved in the formation of the skeleton, magnesium - regulate the activity of the gastrointestinal tract.
The use of salts
Salts are actively used in production, everyday life, agriculture, medicine, food industry, chemical synthesis and analysis, and in laboratory practice. Here are just a few of their areas of application:
- Sodium, potassium, calcium and ammonium nitrates (nitrate); calcium phosphate, 
potassium chloride is a raw material for the production of fertilizers.
— Sodium chloride is necessary for the production of edible table salt, it is used in the chemical industry for the production of chlorine, soda, caustic soda.
Sodium hypochlorite is a popular bleach and water disinfectant.
– Salts acetic acid(acetates) are used in the food industry as preservatives (potassium and calcium acetate); in medicine for the manufacture of medicines, in the cosmetic industry (sodium acetate), for many other purposes.
— Potassium alum and potassium chromium alum are in demand in medicine and the food industry; for dyeing fabrics, leather, furs.
— Many salts are used as fixants to determine chemical composition substances, water quality, acidity level, etc.
Our store offers a wide range of salts, both organic and inorganic.
Rock salt is a mineral of sedimentary origin, consisting of sodium chloride and impurities. The rock has another name - halite, which in Everyday life known as table salt.
In the conditions of the deposit, it is stones that, after processing and cleaning, acquire familiar look white powder. The rock is of ancient origin. The ancient Greeks associated its properties with the salty taste of sea water.
Main characteristics
The chemical formula of table salt is NaCl, the compound contains 61% chlorine and 39% sodium.
In its pure form, the substance vivo substance is very rare. When purified, rock salt can be clear, opaque, or white with a glassy sheen. Depending on the additional impurities included in the composition, the compound can be colored in:
Rock salt rock is quite fragile, absorbs moisture well and has salty taste. The mineral quickly dissolves in water. The melting point is 800 degrees. During combustion, the flame acquires an orange-yellow hue.
Rock salt looks like a cubic crystal or stalactite with a coarse granular structure.
The formation of halite occurs during the compaction of layers that were formed in past geological periods and represent large massifs.
The origin of rock salt is conditionally divided into the following types:
Mineral deposits
Rock salt is a mineral of exogenous origin, whose deposits were formed many millions of years ago in a hot climate. Mineral deposits can form when salt lakes and shallow water dry up. A small amount of halite can form during volcanic activity or soil salinization in arid areas as a result of human activities.
When groundwater is close to high content salt, natural soil salinization can also occur. When moisture evaporates, a thin layer of rock forms on the surface of the soil.
Areas with high evaporation of moisture and low water inflow are characterized by mineralization of the soil layer. With high evaporation, compounds appear on the surface, which are formed in different layers of the soil. When formed on the top layer of soil salt crust stops the growth of plants and the vital activity of living organisms.
Currently, the deposits are located in Russia in the Urals in the Solikamsk and Sol-Iletsk deposits, in Irkutsk, Orenburg, the Arkhangelsk region, the Volga region and the Astrakhan region. In Ukraine, halite is mined in the Donetsk region and Transcarpathia. A significant amount of minerals is mined in Louisiana, Texas, Kansas, Oklahoma.
Mining methods
Mining on an industrial scale is carried out in several ways:
Due to the properties of rock salt, the use is not limited to eating. A person cannot do without table salt. Galite is in demand in technological processes in various industries. It is widely used not only in the food industry for preserving meat, fish and vegetables, as it is a cheap preservative.
In the chemical industry, the compound is necessary for the production of hydrochloric acid which is in demand in various sectors of the economy.
In metallurgy, the mineral is used as a coolant during hardening, as well as the production of a number of non-ferrous metal compounds. It is part of the electrolyte.
The pharmaceutical industry uses halite to make medicines and solutions for injections.
In the leather industry, the compound is used as a tannin in the processing of animal skins.
Medicinal properties
The sodium compound is part of the body's internal environment, which ensures normal operation circulatory system, conduction of impulses along nerve fibers.
Many nations have a belief that if salt is poured on a cross in front of the entrance to the house, it will protect from people with evil thoughts. It was highly appreciated by many nations, it is no coincidence that spilled salt became a sign of trouble or quarrel. Galit is able to enhance good intentions and return evil ones multiplied several times.
Among magicians and sorcerers, conspiracies for love and good luck using table salt are considered effective. A jar of table salt can absorb someone else's negative energy and protect the owner from the evil eye and damage.
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