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[Chemical Knowledge]：Properties and Uses of Sodium Perborate

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Sodium perborate is an important inorganic salt chemical with a wide range of uses. This article will detail the properties of sodium perborate, production methods and applications in various fields.

1. the properties of sodium perborate

sodium perborate (NaBO3) is a white crystalline powder with strong oxidizing and bleaching properties. It is easily soluble in water, and the aqueous solution is alkaline. Sodium perborate can decompose under acidic conditions to produce hydrogen peroxide and boric acid, so it can be used as an oxidizing agent and a bleaching agent.

2. sodium perborate production method

sodium perborate production method mainly has two kinds: wet and dry. The wet method is to react borax and sodium hydroxide to generate sodium borate, and then add hydrogen peroxide to react to generate sodium perborate. The dry method is to react boric acid and sodium hydroxide to generate sodium borate, and then add sodium peroxide to generate sodium perborate. The two methods have their own advantages and disadvantages, according to the specific production conditions and needs to choose the appropriate method.

3. the use of sodium perborate

1. bleach

sodium perborate can be used as bleaching agent for textiles, paper and other industries. In the textile industry, sodium perborate can be used to bleach cotton, hemp, chemical fiber and other fabrics to improve the whiteness and color of the fabric. In the paper industry, sodium perborate can be used to bleach pulp and improve the whiteness and quality of paper.

2. Oxidant

Sodium perborate has strong oxidation and can be used as an oxidant for metal surface treatment, water treatment and other fields. In metal surface treatment, sodium perborate can be used to remove oxides and rust on the metal surface, improve the adhesion and corrosion resistance of the metal surface. In water treatment, sodium perborate can be used to remove organic matter and metal ions in water and improve water quality.

3. fungicide

sodium perborate has a certain bactericidal effect, can be used as a fungicide for health care, food processing and other industries. In the healthcare industry, sodium perborate can be used to disinfect medical devices and surfaces to prevent cross-contamination. In food processing, sodium perborate can be used to disinfect food processing equipment and containers to ensure food safety and hygiene.

4. fire retardant

sodium perborate can be used as fire retardant for wood, paper and other materials fire treatment. Under high temperature conditions, sodium perborate can decompose to produce non-flammable gases, dilute flammable gases, and play a flame retardant role.

In conclusion, sodium perborate, as an important inorganic salt chemical, has a wide range of uses and development prospects. In the future development, we can further study and explore the new properties and new uses of sodium perborate, and make greater contributions to the development of raw materials for chemical production.

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