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[Chemical Knowledge]：Properties and Uses of Sodium Stannate

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Sodium stannate is an important inorganic chemical raw material, which is widely used in chemical industry, metallurgy, ceramics, glass, electronics and other fields. In the field of chemical production raw materials, sodium stannate has unique properties and a wide range of uses.

1. the nature of sodium stannate

sodium stannate (Na2SnO3) is a white crystalline powder, with strong alkaline. It is insoluble in water, but soluble in hot water and alkaline solutions. Sodium stannate is stable in air, non-hygroscopic, not easy to burn, but corrosive. Sodium stannate has high thermal stability and can decompose at high temperature to form tin oxide and alkali metal oxides.

2. the use of sodium stannate

1. Ceramic industry: sodium stannate is an important raw material in the ceramic industry, which can be used to prepare stannate glass, ceramic pigments and glazes. Sodium stannate reacts with other components in the ceramic to produce compounds of different colors, giving the ceramic a variety of beautiful colors.
2. Metallurgical industry: sodium stannate can be used as raw material for extracting tin, and metal tin can be obtained by reduction reaction. In addition, sodium stannate can also be used to prepare other tin compounds, such as tin sulfide, tin oxide, etc.
3. chemical production: sodium stannate can be used as a catalyst, stabilizer and preservative, used in a variety of chemical production. For example, sodium stannate can be used in the production of polyvinyl chloride to improve the thermal stability and weather resistance of the product.
4. Electronics industry: Sodium stannate is widely used in the electronics industry and can be used as raw materials for electronic ceramics, capacitors and other electronic components. In addition, sodium stannate can also be used to prepare conductive paste for the manufacture of electronic products such as printed circuit boards.

In short, sodium stannate has a wide range of uses in the field of chemical production raw materials, and is of great significance for promoting the development of chemical, metallurgy, ceramics, glass, electronics and other industries. When using sodium stannate, it is necessary to pay attention to its corrosiveness and toxicity, and take corresponding safety measures to ensure the smooth progress of the production process.

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