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cuprammonia是什么意思，cuprammonia翻译
Cuprammonia: A Versatile Compound with Wide Applications
Cuprammonia, also known as ammonium cuprate(II), is a chemical compound with the formula (NH4)2Cu. It is a bright green solid that is soluble in water. This compound is known for its versatility and finds applications in various industries.
History and Preparation
The history of cuprammonia dates back to the 19th century when it was first prepared by the reaction of ammonia with copper(II) salts. The reaction is as follows:
2NH3(aq) CuSO4(aq) → (NH4)2Cu(OH)4(aq) SO2(g) H2O(l)
This compound can also be prepared by the reaction of copper metal with ammonium hydroxide:
Cu(s) 2NH4OH(aq) → (NH4)2Cu(OH)4(aq)
Chemical Properties
Cuprammonia is a basic compound, as it can donate a pair of electrons from the ammonium group. It has a pH of about 11.5, indicating its strong basicity. The copper(II) ion in cuprammonia can undergo various chemical reactions, such as oxidation and reduction, making it a useful compound in chemical synthesis.
Applications
1. Pigments: Cuprammonia is used as a green pigment in the manufacturing of paints, inks, and plastics. Its bright green color makes it a popular choice in the industry.
2. Agricultural Fertilizers: The copper(II) ion in cuprammonia acts as a micronutrient for plants, promoting their growth and health. It is used as a fertilizer to overcome copper deficiency in soil.
3. Pharmaceutical Industry: Cuprammonia is used in the synthesis of various pharmaceutical compounds, including antibiotics and other medications.
4. Environmental Applications: Cuprammonia can be used for the removal of certain pollutants from wastewater, such as heavy metals and organic compounds.
5. Metal Extraction: Cuprammonia has been used in the extraction of uranium from its ores. It reacts with uranium(VI) ions to form a soluble complex, which can then be separated from the other components of the ore.
Health and Safety Considerations
Cuprammonia is generally considered to be safe when handled properly. However, it is important to avoid contact with eyes, skin, and clothing, as it can cause irritation. Inhalation of cuprammonia fumes can lead to respiratory irritation and nausea. It is advisable to wear protective gloves and a mask when working with this compound.
Conclusion
Cuprammonia is a versatile compound with wide applications in various industries. Its unique chemical properties make it useful as a pigment, fertilizer, and in the synthesis of pharmaceuticals. With proper precautions, cuprammonia can be handled safely and effectively.