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[Chemical Knowledge]:What are the upstream raw materials for inorganic acids? What do the downstream products contain?

Inorganic acids play an important role in the field of raw materials for chemical production, and their upstream and downstream related products are extensive. The following are some common inorganic acids and their upstream and downstream related products:

1. Sulfuric acid

Sulfuric acid is a strong acid, widely used in chemical industry, metallurgy, medicine and other fields. Its upstream raw materials are mainly pyrite, sulfur, etc., and downstream related products include phosphate fertilizer, nitrogen fertilizer, dyes, pigments, plastic additives, etc.

2. hydrochloric acid

hydrochloric acid is a strong inorganic acid, mainly used in the production of fertilizers, dyes, pharmaceutical intermediates. Its upstream raw materials are mainly chlorine and hydrogen, and downstream related products include organochlorine compounds, vinyl chloride, polyvinyl chloride and so on.

3. nitric acid

nitric acid is a strong oxidizing acid, widely used in chemical, pharmaceutical, military and other fields. Its upstream raw material is mainly ammonia, and its downstream related products include nitrates, nitro compounds and explosives.

4. phosphoric acid

phosphoric acid is a strong acid, mainly used in the production of chemical fertilizers, food additives, cleaning agents, etc. Its upstream raw materials are mainly phosphate rock, and its downstream related products include diammonium phosphate, calcium hydrogen phosphate and sodium tripolyphosphate.

above is only a part of inorganic acids and their upstream and downstream related products, in fact, there are many kinds of inorganic acids, and their upstream and downstream related products are also very extensive. These products play an important role in chemical production and are of great significance for promoting economic development and improving people's living standards.
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