Sentence Examples

  • Hampe prepared chemically pure bismuth by fusing the metal with sodium carbonate and sulphur, dissolving the bismuth sulphide so formed in nitric acid, precipitating the bismuth as the basic nitrate, redissolving this salt in nitric acid, and then precipitating with ammonia.
  • It is purified by redissolving and crystallization, and is sold either in the state of crystals or finely ground.

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