What are the functional applications of dilute nitric acid?
Published on:
2021-03-11
Dilute nitric acid is an important basic chemical raw material, molecular formula HNO3, molecular weight 63.01, the appearance of a colorless or light yellow transparent liquid, in recent years, China's dilute nitric acid product market consumption structure has changed greatly, mainly used in the chemical industry, metallurgical industry, medicine, military, chemical cleaning and nitro compound fertilizer and other fields.
Dilute nitric acid is an important basic chemical raw material, molecular formula HNO3, molecular weight 63.01, the appearance of a colorless or light yellow transparent liquid, in recent years, China's dilute nitric acid product market consumption structure has changed greatly, mainly used in the chemical industry, metallurgical industry, medicine, military, chemical cleaning and nitro compound fertilizer and other fields.
Functional application of dilute nitric acid:
1. Dilute nitric acid, as an important chemical raw material, is mainly used to manufacture compound fertilizers such as nitrophosphate fertilizer, nitrogen, phosphorus and potassium. Organic industry is used to manufacture nitrohexane, l-nitropropane, and other nitro compounds. Dye industry is used to synthesize equivalent dye intermediates. The coating industry is used to manufacture nitro varnish and nitro enamel. Dilute nitric acid as an oxidant can oxidize alcohols and other chemicals and has been used as propellant for rockets; dilute nitric acid is also a raw material for producing nitrates of calcium, copper, silver, cobalt, strontium, and the like.
2. In the process of biological wastewater treatment, dilute nitric acid can be used as a nitrogen source in microbial nutrients. In addition, dilute nitric acid is widely used in the manufacture of chemical fertilizers, chemical fibers, pharmaceuticals, dyes, rubber, etc. In the national defense industry, metallurgical industry, printing and dyeing industry and other industrial sectors, it is also an indispensable and important analytical chemical reagent.
3. Dilute nitric acid is used as an etchant and strong acid cleaning etchant, and can be used in conjunction with hydrogen peroxide.
4. Dilute nitric acid is used as an analytical reagent, such as a solvent, an oxidant, and also used in organic synthesis to produce various nitro compounds.
5. Dilute nitric acid is one of the important basic chemical raw materials and a very wide range of chemical products. In the field of water treatment, dilute nitric acid can be used as a cleaning and rust remover for carbon steel and stainless steel equipment, and used in the oxidation-reduction treatment process of sewage and wastewater; in the biological treatment process of sewage, it can be used as a nitrogen source in microbial nutrients.
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