Definition of cuprammonium in English:
cuprammonium
noun ˌkjuːprəˈməʊnɪəmˌkjuprəˈmoʊniəm
Chemistry as modifier A complex ion, Cu(NH₃)₄²⁺, formed in solution when ammonia is added to copper salts. The solution is deep blue and is used to dissolve cellulose.
Example sentencesExamples
- The two most commonly used production methods for rayon are the cuprammonium process and the viscose process.
- This fiber, which was developed by a group of British scientists only a year after the cuprammonium type was first created, involves treating the cellulose with sodium hydroxide followed by carbon disulfide to create cellulose xanthate.
- This paper deals with the preparation and characterization of keratin/cellulose films prepared by coagulating polymers blends from cuprammonium solution.
- By contrast, the cuprammonium rayon fibers are made from cotton linters as main raw material.
- If ammonia is added to a copper compound then a deep blue solution called cuprammonium hydroxide is formed.
Definition of cuprammonium in US English:
cuprammonium
nounˌkyo͞oprəˈmōnēəmˌkjuprəˈmoʊniəm
Chemistry as modifier A complex ion, Cu(NH₃)₄²⁺, formed in solution when ammonia is added to copper salts. The solution is deep blue and is used to dissolve cellulose.
Example sentencesExamples
- This paper deals with the preparation and characterization of keratin/cellulose films prepared by coagulating polymers blends from cuprammonium solution.
- The two most commonly used production methods for rayon are the cuprammonium process and the viscose process.
- This fiber, which was developed by a group of British scientists only a year after the cuprammonium type was first created, involves treating the cellulose with sodium hydroxide followed by carbon disulfide to create cellulose xanthate.
- By contrast, the cuprammonium rayon fibers are made from cotton linters as main raw material.
- If ammonia is added to a copper compound then a deep blue solution called cuprammonium hydroxide is formed.