2024 Author: Howard Calhoun | [email protected]. Last modified: 2023-12-17 10:16
Among the variety of acids, orthophosphoric acid takes its place of honor. Its use in some areas of industry has long justified itself.
Meet phosphoric acid
What does this chemical look like? It is a liquid with almost no color or with a yellow tint. At room temperature, it exists as solid diamond-shaped crystals. Usually such an acid is called a solution of 85% concentration, which is a syrup-like liquid with a complete absence of smell. Orthophosphoric acid is highly soluble in water and many solvents. For example, in ethanol. If, when heated, the temperature exceeds 213 degrees, this substance turns into pyrophosphoric acid.
There are 2 varieties of this substance:
- food acid;
- industrial.
Orthophosphoric acid: application
To date, this chemicalin demand in many industries. Where only phosphoric acid is not found. Its application can be divided into 2 types: in the food and non-food industries.
Food Phosphoric Acid
This type is used for the manufacture of some products. For example:
- As an acidity regulator in carbonated beverage production.
- As an acidifier in cheeses and processed cheeses.
- In the production of some types of sausages.
- In bakery as part of baking powders.
- When making sugar.
This substance in industrial production has its own designation - antioxidant E338.
Non-food phosphoric acid
In many areas of production, it is impossible to do without a component called phosphoric acid. Its application is necessary:
- In agriculture. Especially in an industry such as animal husbandry. A solution of this acid is included in mink food for the prevention of urolithiasis in animals.
- In science, it is used for research that is carried out in molecular biology.
- In production, it is used as a flux when soldering on stainless steel, on copper.
How to deal with rust?
The answer is simple: orthophosphoric acid will help you. The use of this anti-rust agent protects against corrosion. The thing is that it, unlike many others, is safe for metals. Phosphoric acid treatmentThe surface creates a protective film that prevents further damage. It can often be found in products that are made to combat rust. Therefore, it is used in the hotel and restaurant business.
The harm of phosphoric acid
However (along with the benefits) there are also disadvantages of using phosphoric acid.
- It can increase the acidity of the body and thereby upset the balance.
- It negatively affects calcium. Displaces it from teeth and bones. In the past, phosphoric acid was often used in dentistry to remove enamel. Its use was recently banned for precisely this reason.
- Daily use of this substance in food may cause vomiting, nausea, lack of appetite.
- Phosphoric acid causes severe chemical burns on skin.
Be that as it may, the use of this substance is permitted in the countries of Russia, the EU and the former CIS. When used rationally and skillfully, phosphoric acid is of great benefit.
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