Carbon dioxide

Category: Industrial Gases

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- Commodity name: Carbon dioxide
- Commodity ID: 1442520546494009344
Carbon dioxide accounts for approximately ________ of the total volume in the atmosphere. 0.03% Carbon dioxide accounts for approximately [a certain percentage] in the exhaled breath of humans. 4%。

Solid carbon dioxide is commonly known as... Dry ice During sublimation, it can absorb a large amount of heat, which is why it’s used as a refrigerant—for example, in artificial rainmaking—and is also frequently employed on stage to create smoke effects. Carbon dioxide generally neither burns nor supports combustion. At room temperature, its density is slightly greater than that of air; however, when heated and expanded, it tends to accumulate at the upper part of a space. It’s also commonly used as a fire extinguishing agent, but... Mg 、 No 、 K Cannot be used when burning. CO ₂ Come to put out the fire. 。

Carbon dioxide can be used to produce ammonium bicarbonate, baking soda, and soda ash. Urea lead white pigment, beverages, fire extinguishers, and quenching of cast steel parts. Liquid carbon dioxide, being readily soluble in water, is often compressed and injected into beverages, giving rise to what are known as carbonated drinks. In experiments, baking soda and similar substances are frequently used. 。 Commonly used in the laboratory Hydrochloric acid Carbon dioxide is produced by reacting with marble, and industrially, it is obtained by calcining limestone or from the fermentation gases generated during winemaking.

Carbon dioxide is an essential raw material for photosynthesis in green plants and is commonly used in greenhouses. Carbon dioxide make Fertilizer Green plants can synthesize organic substances from carbon dioxide and water through photosynthesis.

Carbon dioxide is an acidic oxide and can react with bases or... Basic oxide The reaction produces a carbonate. And... Ammonia solution Reaction generates Ammonium bicarbonate 。 Non-toxic However, when the carbon dioxide concentration in the air is too high, it can also cause suffocation due to oxygen deprivation.

Carbon dioxide can also be used to produce Diamond 。