Meaning of cuprammonium in English:


Pronunciation /ˌkjuːprəˈməʊnɪəm/


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.

    ‘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.’
    • ‘The two most commonly used production methods for rayon are the cuprammonium process and the viscose process.’
    • ‘This paper deals with the preparation and characterization of keratin/cellulose films prepared by coagulating polymers blends from cuprammonium solution.’
    • ‘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.’