| 摘要 |
PURPOSE: A manufacturing method of mono-dispersed globular Ag power by a chemical reduction technique is provided to decrease the crystal size of Ag powder and to increase the crystallization of the Ag powder by setting the temperature to be low and by performing thermal treatment. CONSTITUTION: A manufacturing method of mono-dispersed globular Ag power comprises next steps. A first solution is manufactured by mixing Ag nitrate with basic solution, a second solution comprising gelatin is made by dissolving hydroquinone and potassium sulfate in the distilled water. The first solution and the second solution are mixed in a low temperature state to produce Ag powder. The produced Ag powder is obtained, washed and dried. The obtained Ag powder is thermally treated. The basic solution is one or more kinds selected from the group consisting of ammonia liquor, potassium hydroxide aqueous solution and sodium hydroxide aqueous solution.
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