2. Lack of tin in human body will lead to abnormal metabolism of protein and nucleic acid, hinder growth and development, especially children, and even lead to dwarfism.
3. When people eat or inhale too much tin, they will have bad symptoms such as dizziness, diarrhea, nausea, chest tightness, shortness of breath, dry mouth, etc., which can lead to the decrease of calcium content in serum and even gastroenteritis in severe cases.
4. Tin poisoning in industry can cause damage to nervous system, liver function, skin and mucosa.
Prevention methods:
1. Tin smelting, crushing and other processes should be mechanized and sealed, and ventilation and dust removal should be strengthened. Besides strengthening personal protection, workers exposed to tin dust should also be monitored regularly.
2. For organotin poisoning, contact with organotin preparations should be avoided as far as possible, and the relevant working environment should be ventilated.
Tin is a metallic element with silvery white luster and low melting point. It is divalent or tetravalent in compounds and will not be oxidized by air. It mainly exists in the form of dioxide (cassiterite) and various sulfides (such as cassiterite). Element symbol Sn. Tin is a famous "hardware"-one of gold, silver, copper, iron and tin.
As early as ancient times, people discovered and used tin. In some ancient tombs in China, tin pots, tin candlesticks and other tin utensils are often excavated. According to research, in the Zhou Dynasty in China, the use of tin ware was very common. Tin daily necessities were also found in ancient tombs in Egypt.
Tin is a silvery white soft metal. Tin is soft and can be cut with a knife. The chemical properties of tin are very stable, and it is not easy to be oxidized by oxygen at room temperature, so it often keeps shiny silver.
Tin is non-toxic, so people often plate it on the inner wall of copper pot to prevent copper and warm water from forming toxic rust. Toothpaste shells are often made of tin. Solder also contains tin, generally containing 6 1% tin, some of which are half lead and half tin, and some of which are composed of 90% lead, 6% tin and 4% antimony.
References:
Baidu encyclopedia of tin poisoning