Preparation method for flower-shaped micron-sized silver powder with slender and large petals
A micron silver powder and flower-shaped technology, which is applied in the field of preparation of flower-shaped micron silver powder, can solve problems such as complicated preparation process
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[0013] Example 1
[0014] The silver nitrate is dissolved in water to obtain a 0.9 mol / L silver nitrate aqueous solution. The reducing agent ascorbic acid was dissolved in water to obtain 0.9 mol / L ascorbic acid aqueous solution. 9.6 mL of ascorbic acid aqueous solution was quickly added to 10 mL of silver nitrate aqueous solution with a stirring rate of 100 rpm, and reacted at 20°C for 10 minutes, and then immediately washed the silver powder with a large amount of deionized water. After drying, a flower shape with elongated and large petals was obtained Micron silver powder.
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[0015] Example 2
[0016] Dissolve silver nitrate in water to obtain 1.1 mol / L silver nitrate aqueous solution. The reducing agent ascorbic acid was dissolved in water to obtain 1.1 mol / L ascorbic acid aqueous solution. Quickly add 106mL ascorbic acid aqueous solution to 100mL silver nitrate aqueous solution with a stirring rate of 500 rpm, react at 30°C for 5 minutes, then immediately wash the silver powder with a large amount of deionized water, and obtain flower-like micrometers with slender and large petals after drying. Silver powder.
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