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.
〔化〕四氨络铜离子，铜铵离子
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.
〔化〕四氨络铜离子，铜铵离子
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.

单词	cuprammonium
释义	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. 〔化〕四氨络铜离子，铜铵离子 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. 〔化〕四氨络铜离子，铜铵离子 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.
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