Influence of Ag+ content on the antibacterial activity of glaze surface

Influence of Ag+ content on the antibacterial activity of glaze surface was investigated using coating on the glaze surface with different silver nitrat content ranging from 10%wt to 50%wt. The results showed that the Ag concentration on the glaze surface increased with increasing AgNO3 content in the coating. By measuring the antibacterial activity of glaze surface, it was found that the glaze surface with increasing Ag content, showed strong antibacterial functionality in the short period of time (after 2h) against E. coli and S. aureus. With the help of SEM and XRF it was confirmed the Ag existance and its concentration on the glaze surface.