Here is an article on calcium chloride for your reference:
Calcium chloride is a common inorganic salt with the chemical formula CaCl2. It has a wide range of uses and has applications in industrial, agricultural, food, and medical fields. This article will introduce the properties, production methods, uses and safety of calcium chloride.
1. Nature. Calcium chloride is a white or off-white powder or granule that is hygroscopic. It is easily soluble in water, and when dissolved in water, it will release a large amount of heat. The relative density is 215. The melting point is 782, and the boiling point is above 1600. The solubility of calcium chloride in water increases with the increase of temperature, and 100 grams of water can be dissolved at 0 591 gram of calcium chloride and 84 at 1009 grams. The calcium chloride solution is neutral or slightly alkaline, and its aqueous solution has a pH of 65～11.0。
Second, the production method.
Calcium chloride can be produced by a variety of methods, the most commonly used method is that limestone is heated to melting at high temperature, and then chlorinated gas is passed into chlorination gas to produce calcium chloride, and the product is obtained after cooling, solidification, crushing and other processes. In addition, calcium chloride can also be generated by reacting with lime milk after salt electrolysis; Or calcium carbonate can be used as raw material to react with hydrochloric acid to produce calcium chloride.
3. Use. Calcium chloride is an important inorganic salt product with a wide range of uses. Industrially, calcium chloride can be used to make various calcium salts, such as bleaching powder, calcium hypochlorite, barium chloride, etc. In addition, calcium chloride can also be used as a moisture repellent, desiccant and flux. In agriculture, calcium chloride can be used as a soil conditioner and a growth regulator for crops, such as promoting plant growth and improving stress resistance. In the food industry, calcium chloride can be used as a preservative, stabilizer and nutritional enhancer, among other things. In the medical field, calcium chloride can be used for diseases such as hypocalcemia, hyperkalemia, and magnesium poisoning.
4. Security.
Calcium chloride itself is non-toxic and harmless, but the following points should be noted during use:
1.Storage: Calcium chloride should be stored in a dry, cool, well-ventilated place to avoid contact with acids to prevent chemical reactions. At the same time, it should be kept away from heat and fire sources to prevent direct sunlight and exposure.
2.Transportation: Calcium chloride should be well packaged during transportation, moisture-proof, sun-proof, fireproof, and transported in accordance with the provisions of dangerous goods.
3.Use: Calcium chloride should be used in direct contact with ** and eyes to prevent irritation ** and mucous membranes. At the same time, attention should be paid to the amount of use, excessive use may have a negative impact on the environment.
4.Waste disposal: Used or discarded calcium chloride should be disposed of in accordance with relevant regulations, and should not be discharged or discarded at will.
In conclusion, calcium chloride, as an important inorganic salt product, has a wide range of applications in industry, agriculture, food and medical fields. Attention should be paid to safety and environmental protection in the process of use, and relevant regulations and operating procedures should be followed. At the same time, with the development of science and technology and the deepening of research, the application field of calcium chloride will be further expanded, bringing more convenience and benefits to human production and life.