. Explain Electrical disintegration or Bredig’s arc method

Best Answer

This process involves dispersion as well as condensation. Colloidal solutions of metals such as gold, silver, copper, platinum etc., can be prepared by this method. In this method electric arc is struck between electrodes of the metal immersed in the dispersion medium. The intense heat produced vapourizes some of the metal, which then condenses to form particles of colloidal size. A slight trace of electrolyte stabilises the sols formed.


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