ニオブ(IV)テトラクロリド

ニオブ(IV)テトラクロリド 化学特性,用途語,生産方法

• 化学的特性

  Brown-black crystal needles; pure brown in transmitted light.
  Decomposes on exposure to air and moisture (color change first to black, then to white). Dissolves in a small amount of H2O and in dilute hydrochloric acid, giving a dark-blue solution.

• 製造方法

  Reduction of NbCl5 with H2 at 2 atm. (generated when the tube is filled at STP, sealed and then heated). The reaction does not go to completion and NbCl5 and NbCl4 must be separated by sublimation.

ニオブ(IV)テトラクロリド 上流と下流の製品情報

ニオブ(IV)テトラクロリド 生産企業

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