Preparation of colloidal nanosilver
First Claim
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1. A process for synthesis of a silver nano particle, the process consisting of:
- reacting a silver salt and an anionic surfactant and a reducing agent in water at a room temperature;
thereby reducing said silver salt into silver nano particles having a uniform particle size, wherein the uniform particle size of said silver nano particles is less than 4.5 nanometers.
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Abstract
In present invention, colloidal nanosilver has been prepared with high affect on bacteria, viruses, and fungi. The average size of nano particles are less than 10 nm. In the present invention colloidal nanosilver is subject to synthesis by a very simple method and in a short time. Nanosilver colloid prepared by use of different surfactant like LABS, Tween 20, Tween 60, Tween 80, SDS.
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Citations
10 Claims
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1. A process for synthesis of a silver nano particle, the process consisting of:
- reacting a silver salt and an anionic surfactant and a reducing agent in water at a room temperature;
thereby reducing said silver salt into silver nano particles having a uniform particle size, wherein the uniform particle size of said silver nano particles is less than 4.5 nanometers. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
- reacting a silver salt and an anionic surfactant and a reducing agent in water at a room temperature;
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Current AssigneeJafar Rahman Nia
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Original AssigneeJafar Rahman Nia
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InventorsRahman Nia, Jafar
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Primary Examiner(s)WYSZOMIERSKI, GEORGE P
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Application NumberUS11/775,908Publication NumberTime in Patent Office1,322 DaysField of SearchNoneUS Class Current75/371CPC Class CodesB01J 13/0043 containing elemental metal ...B22F 1/0545 Dispersions or suspensions ...B22F 9/24 starting from liquid metal ...B82Y 30/00 Nanotechnology for material...
