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[Chemical Knowledge]：What are the role and uses of soda ash

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soda ash is an inorganic compound with the chemical formula Na2CO3 and a molecular weight of 105.99 , Also called soda ash, but the classification belongs to salt, not alkali. Also known as soda or alkali ash in international trade. It is an important inorganic chemical raw material, mainly used in the production of flat glass, glass products and ceramic glaze. It is also widely used in domestic washing, acid neutralization and food processing.

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12 kinds of functions

of soda ash 1. Quantitative analysis of the calibration of acid reference substances, determination of aluminum, sulfur, copper, lead and zinc

2. Test urine and whole blood glucose, analyze silica flux in cement, metal metallographic analysis, etc.

3. Glass industry is the largest consumption source of soda ash, consuming 0.2t of soda ash per ton of glass, float glass float glass. The glass shell of the kinescope. Chemical glass, etc.

4. Used in chemical industry. Metallurgy, etc. The use of heavy soda ash reduces the flying of alkali dust. Reduce raw material consumption. Improving working conditions can also improve product quality, reduce the corrosion of alkali powder on refractory materials and prolong the service life of kilns.

5. As a buffer. Neutralizers and dough improvers can be used for pastries and pasta foods and should be used appropriately according to production needs. 4. Used as wool rinsing, bath salt and medicinal detergent, and alkaline agent in tanning. 5. Used in the food industry as a neutralizer. Make amino acids, such as amino acids. Noodle foods such as soy sauce and steamed bread. Bread, etc. It can also be added to pasta with alkaline water to increase elasticity and ductility. Sodium carbonate can also be used to produce monosodium glutamate.

6. Color TV Special Reagents

7. Used in pharmaceutical industry, acid dissolving drugs. Permeable laxative.

8. Used for chemical and electrochemical degreasing. Electroless copper plating. Erosion of aluminum. Electrolytic polishing of aluminum and alloys. Chemical alumina. Closure after phosphating. Rust prevention process. Electrolytic dechromic coatings and dechromic oxide films are also used for pre-plating copper. Steel plating. Electrolyte for plating steel alloy

9. Metallurgical industry is used as smelting flux. Flotation agent for beneficiation, steelmaking and antimony are used as desulfurizers.

10. Water softener is used in printing and dyeing industry.

11. Tannery industry is used for degreasing raw skin. Neutralize chrome tanned leather to improve the alkalinity of chrome tanned liquid.

12. Benchmark for acid in quantitative analysis.. Sulfur. Copper. Lead and zinc. Check urine and whole blood glucose. An auxiliary solvent for silica in cement was analyzed. Metallographic analysis of metals, etc.

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