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[Chemical Knowledge]：What are the upstream raw materials of potassium oxalate? What do the downstream products contain?

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Potassium oxalate is an important chemical raw material, which is widely used in many fields. In the field of raw materials for chemical production, the upstream and downstream related products of potassium oxalate mainly include the following aspects:

upstream products:

1. Oxalic acid: Oxalic acid is the main raw material of potassium oxalate, which is used to produce potassium oxalate. Oxalic acid can be produced by oxidation of glucose, oxalic acid, etc.
2. Potassium hydroxide: potassium hydroxide reacts with oxalic acid to produce potassium oxalate and water.

downstream products:

1. Food additives: Potassium oxalate can be used as a food additive to adjust the pH of food, stabilizers and preservatives.
2. Pharmaceutical raw materials: Potassium oxalate can be used as pharmaceutical raw materials for the production of some drugs, such as anti-calculus drugs.
3. Chemical intermediates: Potassium oxalate can also be used as a chemical intermediate for the production of some other chemical products, such as zinc oxalate, magnesium oxalate, etc.

Specifically, the upstream and downstream related products of potassium oxalate include the following aspects:

upstream products:

1. The production process of oxalic acid mainly includes chemical synthesis and biological fermentation. The chemical synthesis method is mainly based on glucose as raw material, through oxidation, dehydration, acidification and other processes to produce oxalic acid. The law of biological fermentation is the use of microbial fermentation of gluconic acid, and then through the extraction, refining and other processes to obtain oxalic acid. Both methods can obtain high-quality oxalic acid to meet the needs of potassium oxalate production.
2. The production of potassium hydroxide mainly adopts the electrolytic method, and the potassium chloride solution is electrolyzed to obtain potassium hydroxide and chlorine. Potassium hydroxide is a strong base that can react with oxalic acid to form potassium oxalate.

downstream products:

1. Potassium oxalate can be used as a food additive to adjust the pH of food, and it also has a certain antiseptic effect. Potassium oxalate can be added to pasta, dairy products, meat products and other foods to improve the quality and taste of food.
2. Potassium oxalate can also be used as a pharmaceutical raw material for the production of some drugs. For example, potassium oxalate mixed with magnesium citrate can be used to treat diseases such as kidney stones. In addition, potassium oxalate can also be used in the production of some antibiotics and other drugs.
3. Potassium oxalate, as a chemical intermediate, can be used to produce some other chemical products. For example, zinc oxalate can be obtained by the reaction of potassium oxalate with zinc salt. Zinc oxalate is a widely used chemical raw material and can be used to produce rubber, plastics, ceramics and other products. In addition, potassium oxalate can also be used in the production of magnesium oxalate, calcium oxalate and other chemical products.

In short, potassium oxalate has a wide range of upstream and downstream related products in the field of chemical production raw materials, which plays an important role in promoting the development of the chemical industry.

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