ラジウムジクロリド

ラジウムジクロリド 化学特性,用途語,生産方法

• 説明

  Radium chloride, RaCl2, was the first radium compound to be prepared in a pure state and was the basis of Marie Curie’s original separation of radium from Barium. The first preparation of radium metal was by the electrolysis of a solution of radium chloride using a mercury cathode. The structure remains unknown. Radium chloride is soluble and crystallizes from solution as the dihydrate.
  RaCl2 is used to produce radon gas that in turn is used as a cancer treatment in medicine. This compound is not offered for sale to the general public.

• 化学的特性

  radium chloride is yellowish-white crystals becoming yel- low or pink on standing. Radiactive. Soluble in water and alcohol.

• 物理的性質

  radium chloride is a white solid having a blue-green luminescence, especially when heated. It is less soluble in water than other alkaline earth chlorides, a fact which is used in the first stages of the separation of radium from barium by fractional crystallization. It is only sparingly soluble in azeotropic HCl (20.2% HCl) and virtually insoluble in concentrated hydrochloric acid.

• 使用

  Radium chloride (RaCl2) has the same use as radium bromide.

• 危険性

  As for radium.

ラジウムジクロリド 生産企業

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