Sentence Examples


  • The precipitate, after having been collected and washed, is digested with a warm concentrated solution of ammonium carbonate, which dissolves the uranium as a yellow solution of ammonium uranate, while the hydrated oxide of iron, the alumina, &c., remain.
  • These are filtered off hot, and the filtrate is allowed to cool, when crystals of the uranate separate out.
  • This uranate when ignited in a platinum crucible leaves a green oxide of the composition U308, i.e.
  • Sodium uranate, Na2U207, is used as a pigment for painting on glass and porcelain under the name of uranium yellow.
  • It is manufactured by heating pitchblende with lime, treating the resulting calcium uranate with dilute sulphuric acid, and adding sodium carbonate in excess.

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