As we all know, carbon is a colorless and lightless product. It is usually used to burn fire or gas. Generally, carbon is flammable and has no smell, but it has no harmful substances, so many people stay away from it. In the past, every household would use carbon to make stoves, but now everyone lives in buildings and no longer needs it. So is carbon harmful to the human body? Pure carbon is a colorless, refractive, flammable liquid with no odor. The industrial product is yellow and has an extremely unpleasant odor. The liquid density is 1.26 g/cm3, the boiling point is 46.3°C, the melting point is -108.6°C, it is extremely volatile, its vapor is 1.6 times heavier than air, it is flammable and toxic, and can form an explosive mixture in the air. It is almost insoluble in water, but soluble in solutions of caustic soda and alkali sulfide, and miscible with alcohol, ether, benzene, chloroform, carbon tetrachloride and oils. Carbon is an excellent organic solvent with a wide range of industrial uses. It is corrosive to metals and wood. Therefore, during the manufacturing and use process, it often causes leakage, bubbling, dripping and leaking due to equipment corrosion, leading to environmental pollution and poisoning accidents. Carbon can invade the human body through the respiratory tract, skin, and digestive tract. It is a poison to the nervous system that can inhibit enzyme activity, affect lipoprotein metabolism, and cause cardiovascular disease. Long-term exposure to low concentrations of carbon can cause chronic poisoning, resulting in diseases such as dullness, insomnia, memory loss, multiple neuritis, and atherosclerosis. Short-term exposure to high concentrations of carbon vapor can cause acute poisoning. In mild cases, patients may experience headache, dizziness, nausea and mental symptoms; in severe cases, patients may first experience intense excitement, followed by loss of consciousness, disappearance of pupil reflexes, and even death. Carbon itself has an unpleasant smell, and this smell often emits a gas that is harmful to the body, especially the carbon tetroxide or carbon dioxide in the carbon, which are also very harmful to the body. It is recommended that you stay away from carbon at ordinary times and try not to be next to a charcoal stove. |
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