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The shape, size, optical properties and electrochemical activity of silver nanoparticles (AgNPs) obtained by chemical reduction methods depending on the preparation conditions were investigated. Silver solsconsist of AgNPs of different shapes. They are as follows spherical - 30 nm, polyhedral - 35 nm, 50 nm nanorods. It was shown that the position of the absorption spectrum peak in AgNPs depend on the molar ratio of mixture AgNO[3] :Na [3]C[6]H[5]O[7]. The maximum of the absorption spectrum peak of AgNPs is shifted by 10 nm to longer wavelengths area in presence excess of a reducing agent or the increasing of boiling time. After storage for one week the spectrum intensity of AgNPs obtained in the mixture AgNO[3] :Na[3]C[6]H[5]O[7]=1:1 is increased in comparison with freshly prepared AgNPs, which is caused by the increase of AgNPs quantity of a given size. The AgNPS obtained in the mixture AgNO[3] :Na[3]C[6]H[5]O[7]=1:3 have the most electrochemical activity. The conditions that the AgNPs have the most electrochemical activity were found

Influence of silver nanoparticles conditions synthesis on their electrochemical properties