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What is the reason for the origin of electrical charge on the colloidal particles?

April 26, 2017charge Colloidal electrical origin particles

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What is the reason for the origin of electrical charge on the colloidal particles?

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The various reasons for the origin of electrical charge on the colloidal particles are as follows: Frictional electrification: It is caused by the mutual rubbing of the colloidal particles with molecules of the dispersion medium. Electron capture: Electron capture by particles from air and during electro dispersion in Bredig’s arc method Preferential adsorption ions from solutions: An ionic colloid adsorbs ions common to its own lattice structure.