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[Chemical Knowledge]：What are the upstream raw materials for fluosilicic acid solution? What do the downstream products contain?

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The upstream and downstream associated products
of fluosilicic acid solution
fluosilicic acid solution plays an important role in the field of chemical production raw materials, and its upstream and downstream associated products are extensive. This article will detail the main upstream and downstream associated products of fluosilicic acid solution.

1. upstream associated products

1. fluorite

fluorite is one of the main raw materials of fluosilicic acid solution, its main component is calcium fluoride (CaF2). Fluorite produces fluorosilicic acid solution by acidolysis reaction.

2. Sulfuric acid

Sulfuric acid also plays a key role in the production process of fluosilicic acid solution. It participates in the acidolysis reaction together with fluorite.

3. Phosphoric acid

In some production processes, phosphoric acid may also be used as a raw material for fluosilicic acid solution.

2. downstream associated products

1. hydrofluoric acid

hydrofluoric acid is one of the important downstream products of fluosilicic acid solution. By distilling the fluorosilicic acid solution, the hydrofluoric acid can be separated off. Hydrofluoric acid is widely used in aluminum smelting, glass etching, semiconductor manufacturing and other industries.

2. Sodium fluoride

Sodium fluoride is another downstream product of fluorosilicic acid solution, which can be prepared by adding sodium hydroxide to fluorosilicic acid solution. Sodium fluoride is widely used in pesticide, metallurgy, ceramics and other fields.

3. Aluminum Fluoride

Aluminum fluoride is prepared by reacting a fluorosilicic acid solution with alumina. It is used as an electrolyte in the production of aluminum electrolysis and plays an important role in improving the output and quality of aluminum.

4. silicon tetrafluoride

silicon tetrafluoride is prepared by decomposition of fluosilicic acid solution, it is widely used in semiconductors, optical fibers, ceramics and other fields.

summary

fluosilicic acid solution plays an important role in the field of chemical production raw materials, and its upstream and downstream related products are extensive. Upstream raw materials mainly include fluorite, sulfuric acid and phosphoric acid; downstream products include hydrofluoric acid, sodium fluoride, aluminum fluoride and silicon tetrafluoride. These products are widely used in various fields, reflecting the important position of fluosilicic acid solution in chemical production.

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