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Saline water



 
 
Saline water is a general term for water
Water

Water is a common chemical substance that is essential for the survival of all known forms of life. In typical usage, water refers only to its liquid form or States of matter, but the substance also has a solid state, ice, and a gaseous state, water vapor or steam....
 that contains a significant concentration of dissolved
Solvation

Solvation, commonly called dissolution, is the process of attraction and association of molecules of a solvent with molecules or ions of a solute....
 salt
Salt

A salt, in chemistry, is defined as the product formed from the neutralisation reaction of acids and base . Salts are ionic compounds composed of cations and anions so that the product is electrically electric charge ....
s (NaCl
Sodium chloride

Sodium chloride, also known as common salt, table salt, or halite, is a chemical compound with the chemical formula SodiumChlorine....
). The concentration is usually expressed in parts per million (ppm) of salt.

The salinity concentration level used by United States Geological Survey
United States Geological Survey

The United States Geological Survey is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, and the natural hazards that threaten it....
 classifies saline water in three categories. Slightly saline water contains around 1,000 to 3,000 ppm. Moderately saline water contains roughly 3,000 to 10,000 ppm. Highly saline water has around 10,000 to 35,000 ppm of salt.






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Encyclopedia


Saline water is a general term for water
Water

Water is a common chemical substance that is essential for the survival of all known forms of life. In typical usage, water refers only to its liquid form or States of matter, but the substance also has a solid state, ice, and a gaseous state, water vapor or steam....
 that contains a significant concentration of dissolved
Solvation

Solvation, commonly called dissolution, is the process of attraction and association of molecules of a solvent with molecules or ions of a solute....
 salt
Salt

A salt, in chemistry, is defined as the product formed from the neutralisation reaction of acids and base . Salts are ionic compounds composed of cations and anions so that the product is electrically electric charge ....
s (NaCl
Sodium chloride

Sodium chloride, also known as common salt, table salt, or halite, is a chemical compound with the chemical formula SodiumChlorine....
). The concentration is usually expressed in parts per million (ppm) of salt.

The salinity concentration level used by United States Geological Survey
United States Geological Survey

The United States Geological Survey is a scientific agency of the United States government. The scientists of the USGS study the landscape of the United States, its natural resources, and the natural hazards that threaten it....
 classifies saline water in three categories. Slightly saline water contains around 1,000 to 3,000 ppm. Moderately saline water contains roughly 3,000 to 10,000 ppm. Highly saline water has around 10,000 to 35,000 ppm of salt. Seawater
Seawater

Seawater is water from a sea or ocean. On average, seawater in the world's oceans has a salinity of about 3.5%, or 35 parts per thousand . This means that every 1 kg of seawater has approximately 35 grams of sea salt ....
 has a salinity
Salinity

Salinity is the saltiness or dissolved salt content of a body of water. Salinity in Australian English and North American English may also refer to the salt in soil ....
 of roughly 35,000 ppm, equivalent to 35 g/L.

Because of scarcity of fresh water in some areas of the world, saline water is used by desalinating
Desalination

Desalination, desalinization, or desalinisation refers to any of several processes that remove excess sodium chloride and other minerals from water....
 it. For example, in Colorado, water having up to 2,500 ppm of salt is used for irrigating crops. Saline water, known as saline
Saline (medicine)

In medicine, saline is a general term referring to a sterile solution of sodium chloride in water. It is used for intravenous infusion, rinsing contact lenses, and nasal irrigation....
, is also used in medicine as a sterile solution.

Normally, moderately or highly salinated water is of little use to humans. Humans cannot drink salinated water directly, nor is it suitable for irrigating crops.

Some industries also make use of saline water, such as mining and thermoelectric-power.