cuprammonium

cuprammonium
The cation Cu(NH) formed by adding ammonia to copper salts
Syn: tetramminecopper

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  • cuprammonium — [kypʀamɔnjɔm] n. m. ÉTYM. XXe; cf. cupro ammoniaque, 1890; de cupr , et ammonium. ❖ ♦ Chim. Solution d hydrate cuivrique dans l ammoniaque, appelée aussi liqueur de Schweitzer, utilisée comme solvant de la cellulose …   Encyclopédie Universelle

  • cuprammonium — /kjuprəˈmoʊniəm/ (say kyoohpruh mohneeuhm) noun 1. any cation containing copper and ammonia, especially the tetrammine copper (II) ion. 2. Also, cuprammonium rayon. an artificial silk made from cotton cellulose …  

  • cuprammonium rayon — noun : a rayon made from cellulose dissolved in cuprammonium solution * * * cuprammonium rayon noun Artificial silk made by dissolving cellulose in cuprammonium • • • Main Entry: ↑cuprammonium * * * cu|pram|mo|ni|um «KYOO pruh MOH nee uhm», noun …   Useful english dictionary

  • cuprammonium solution — noun : a deep blue solution of cupric hydroxide or cupric oxide in aqueous ammonia used as a solvent for cellulose (as in making cuprammonium rayon) called also Schweizer s reagent * * * cuprammonium solution, 1. a solution of copper and ammonia …   Useful english dictionary

  • cuprammonium rayon — vario amoniakinis šilkas statusas T sritis chemija apibrėžtis Apibrėžtį žr. priede. priedas( ai) Grafinis formatas atitikmenys: angl. cupra rayon; cuprammonium rayon rus. медноаммиачный шелк …   Chemijos terminų aiškinamasis žodynas

  • cuprammonium — /kyooh preuh moh nee euhm, mohn yeuhm, kooh /, n. Chem. any cation containing copper and ammonia. [1860 65; CUPR + AMMONIUM] * * * …   Universalium

  • cuprammonium — [ˌkju:prə məʊnɪəm] noun [as modifier] Chemistry of or denoting a complex ion containing copper bonded to ammonia, solutions of which are deep blue in colour and able to dissolve cellulose …   English new terms dictionary

  • cuprammonium — cu·pram·mo·ni·um …   English syllables

  • cuprammonium — n. a complex ion of divalent copper and ammonia, solutions of which dissolve cellulose. Etymology: LL cuprum + AMMONIUM …   Useful english dictionary

  • cupri- — ou cupro ♦ Élément, du lat. cuprum « cuivre ». cupri , cupro élément, du lat. cuprum, cuivre , utilisé notam. pour former les noms d alliages à base de cuivre. ⇒CUPR , CUPRI , CUPRO , élément préf. Élément préf. correspondant à cuivre, formateur… …   Encyclopédie Universelle

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