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[Chemical Knowledge]：The nature and use of calcium

Read： 668 Time：13months ago Source：Transform the World with Simplicity

Calcium, also known as superphosphate, is a common chemical raw material, widely used in agriculture, industry, food and other fields. This article will detail the properties and uses of calcium.

1. the nature of calcium

calcium is a white or gray powder substance with strong acidity, and the pH value is generally between 2 and 3. It contains phosphorus, calcium and other elements, with high fertilizer efficiency and reactivity. The solubility of calcium in water is high, can quickly dissolve and release phosphate ions and calcium ions. In addition, calcium is also hygroscopic and easy to absorb moisture in the air and agglomerate.

2. the use of calcium

1. agricultural
calcium as a common phosphate fertilizer, has an important role in promoting plant growth. It can improve the acidity and fertility of the soil, promote the development of plant roots and the absorption of nutrients. At the same time, calcium can also regulate soil microbial activity and improve soil quality.

2. industrial field
calcium in the industrial field also has a wide range of applications. It can be used as a raw material for the preparation of other phosphorus chemical products, such as phosphoric acid, diammonium phosphate, etc. In addition, calcium can also be used in the production of building materials, ceramics, glass, etc.

3. Food field
In the food field, calcium propionate can be used as a food additive. It can be used as a nutritional fortifier to supplement phosphorus, calcium and other elements in food. At the same time, calcium can also be used as an acidity regulator to regulate the pH of food.

3. precautions

When using calcium, you need to keep it dry and avoid mixing with alkaline substances to prevent reducing fertilizer efficiency. In addition, the application rate of calcium should be adjusted according to soil conditions and crop needs to avoid adverse effects on the environment and crops.

In a word, as a common raw material for the production of chemicals, calcium has a wide range of uses and important value. In the future development, with the continuous progress and application of science and technology, the application of calcium in various fields will be more extensive and in-depth.

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