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Phosphoric acid defoamer is a common chemical additive that can be used to remove bubbles from liquids or solutions. It is widely used in many fields, such as food processing, industrial production, and laboratory operations. The following will introduce the use of phosphoric acid defoamer in detail.

First, we need to understand the composition and properties of phosphoric acid defoamers. Phosphoric acid defoamers are usually composed of organic phosphates and surfactants. Its main function is to reduce the surface tension of the liquid and make the bubbles quickly break and dissipate in the liquid.

• In industrial production, phosphoric acid defoamers can be used to remove bubbles from liquids and improve production efficiency and product quality. For example, in the production process of paint coatings, a large number of bubbles will be generated. If they are not removed in time, the gloss and adhesion of the coating will be affected. At this time, an appropriate amount of phosphoric acid defoamer can be added to the coating to eliminate the bubbles.

• In laboratory operations, phosphoric acid defoamer is also a commonly used reagent. In chemical synthesis reactions, a large number of bubbles are sometimes generated, affecting the progress of the reaction. At this time, an appropriate amount of phosphoric acid defoamer can be added to the reaction system to quickly dissipate the bubbles and ensure the normal progress of the reaction. The use of phosphoric acid defoamer is relatively simple. Generally speaking, we can determine the dosage to be added according to the specific use requirements and actual conditions. Usually, a good defoaming effect can be achieved with an addition amount of 0.01%-0.1%, but the specific addition amount needs to be adjusted according to the specific situation.

In addition, when using phosphoric acid defoamers, the following points should be noted:

1. Phosphoric acid defoamers are generally liquid or powdery, and need to be fully stirred or dissolved before use to ensure uniform mixing.

2. Phosphoric acid defoamers should not be mixed with strong acids, strong alkalis and other substances to avoid reactions.

3. When using phosphoric acid defoamers, they should be operated in accordance with relevant safety operating procedures, avoid contact with skin and eyes, and maintain a good ventilation environment.

4. The storage of phosphoric acid defoamers should avoid high temperatures and direct sunlight to avoid affecting the dosage. In short, phosphoric acid defoamers are a commonly used chemical additive that can be used to remove bubbles in liquids or solutions. When using them, we should determine the dosage to be added according to the specific situation and use requirements, and pay attention to safe operation. By using phosphoric acid defoamers rationally, we can improve production efficiency, improve product quality, and contribute to the development of various industries.