1、What is phosphoric acid?
Phosphoric acid, also known as phosphoric acid (V) or orthophosphoric acid, is a commonly used acid. So the raw form of this acid is extracted from phosphate rock, while the purer form of white phosphorus is produced industrially. Pure phosphoric acid is generally a crystalline solid and has a low concentration. In general, it is a colorless, odorless, non-volatile, syrupy liquid.
Phosphoric acid is also a mineral acid. The formula is H3PO4, containing one phosphorus atom, four oxygen atoms, three hydrogen atoms.
2、the use of phosphoric acid.
Orthophosphoric acid is an important chemical with a wide range of uses in industrial, agricultural, and everyday products. Anyway, here we will look at some of the popular uses of phosphoric acid.
- Rust Removal
- In the area of food and beverages.
- Personal Care
- For Agriculture
Phosphoric acid is used to remove rust.
Among the various acids, phosphoric acid is often used to remove rust from metals such as steel. When this acid is used, it reacts with the rust and converts the typical reddish-brown iron oxide (ferric oxide) into a black compound, now called iron phosphate. This black iron phosphate is easy to remove.
Phosphoric acid is used in food and beverages.
Phosphoric acid is often used as a food additive. This acid regulates the acidity of foods such as jams, cereal bars, processed meats, cheeses, etc. It is used in the beverage industry as a food additive. In the beverage industry, phosphoric acid is used as a souring agent. It helps inhibit the formation of fungi and bacteria. It also adds flavor to these beverages. However, there has been controversy about the health effects and benefits of this acid.
Phosphoric Acid Used in Personal Care
Phosphoric acid is essential in the manufacture of various personal care products, including cleaning products, bath products, perfumes, hair care products, dyes, nail products, cosmetics, and other skincare products. These products include cleaning products, bath products, perfumes, hair care products, dyes, nail products, cosmetics, and other skincare products. Besides, phosphoric acid is also used to control the pH of these products.
Phosphoric Acid Applications in Agriculture
Nearly 80% of the phosphoric acid produced is reportedly used in the production of fertilizers. Phosphoric acid is also used as an additive and flavoring agent in animal or poultry feed.
Phosphoric Acid in Pharmaceutical Applications
This acid is mainly used as an intermediate in pharmaceuticals. One of the main applications of phosphoric acid is dental. It is used as an etching solution and is often used to clean teeth. Other uses of phosphoric acid include tooth whitening agents or mouthwashes. Phosphoric acid is also commonly used as an anti-nausea agent.
Other Uses of Phosphoric Acid
There are few other uses for this acid. Phosphoric acid is used as an electrolyte in fuel cells or hydrogen-oxygen generators. Phosphoric acid is also used to make synthetic detergents and to treat water and metals.
It is also used in the construction industry to remove mineral deposits, cement stains, and hard water stains. It is used as a chemical oxidizer to produce activated carbon products.
Frequently Asked Questions (FAQ)
1. What is the nickname for phosphoric acid?
Answer: orthophosphoric acid.
2. Write the chemical formula of phosphoric acid.
3. What is the molecular weight, boiling point, and melting point of phosphoric acid?
Answer:Molecular weight=97.994g/mol, boiling point=158℃, melting point=42.35℃.
4. Is orthophosphoric acid a strong acid or a weak acid? Why?
Analysis: Weak acid due to incomplete dissociation in water.
5. List two types of phosphoric acid that are widely used.
Answer: Phosphoric acid is widely used in fertilizers and food acidification.
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