Purification method of silver nanowires
A nano-silver wire and purification method technology, which is applied in nanotechnology, metal/alloy conductors, cable/conductor manufacturing, etc., can solve the problems of large pollution, difficulty in batch purification, high production cost, etc., and achieve cost reduction and easy operation , the effect of facilitating industrial production
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Embodiment 1
[0036] (1) Mix and stir 200mL nano-silver wire stock solution and 400mL acetone stock solution for 30min, then prepare sample solution;
[0037] (2) Put 1000mL of silica gel powder with a particle size of 10-100 mesh into the chromatography column and add 1000mL of ultrapure water;
[0038] (3) Add the sample solution to the chromatographic column, then add the first eluent to the chromatographic column for elution, and inject the first eluent into the chromatographic column several times until the nano-silver is eluted The first eluent is composed of ultrapure water and acetone with a volume ratio of 1:5;
[0039] (4) When the first eluent flowing out of the chromatographic column is clarified, the impurities in the silver nanowire stock solution are completely eluted. After the impurities in the silver nanowire stock solution are completely eluted, add the second eluent to the chromatographic column The second eluent is ultra-pure water and stirred to desorb and disperse na...
Embodiment 2
[0041] (1) Mix and stir 200mL nano-silver wire stock solution and 600mL acetone stock solution for 30min, then prepare sample solution;
[0042] (2) Pack 1000mL ion exchange resin with a particle size of 10-100 mesh into the chromatography column and add 1000mL ultrapure water;
[0043] (3) Add the sample solution to the chromatographic column, then add the first eluent to the chromatographic column for elution, and inject the first eluent into the chromatographic column several times until the nano-silver is eluted The first eluent is made of ultrapure water and isopropanol with a volume ratio of 100:1 until the impurities in the line stock solution are removed;
[0044](4) When the first eluent flowing out of the chromatographic column is clarified, the impurities in the silver nanowire stock solution are completely eluted. After the impurities in the silver nanowire stock solution are completely eluted, add the second eluent to the chromatographic column The second eluent ...
Embodiment 3
[0046] (1) Mix and stir 10mL nano-silver wire stock solution and 1000mL acetone stock solution for 30min, then prepare sample solution;
[0047] (2) Put 1000mL silica microspheres with a particle size of 10-100 mesh into the chromatography column and add 1000mL ultrapure water;
[0048] (3) Add the sample solution to the chromatographic column, then add the first eluent to the chromatographic column for elution, and inject the first eluent into the chromatographic column several times until the nano-silver is eluted The first eluent is composed of ultrapure water and ethanol with a volume ratio of 5:2 until impurities in the line stock solution are removed;
[0049] (4) When the first eluent flowing out of the chromatographic column is clarified, the impurities in the silver nanowire stock solution are completely eluted. After the impurities in the silver nanowire stock solution are completely eluted, add the second eluent to the chromatographic column The second eluent is ul...
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