This is formally known as the oligodynamic effect. Silver is also highly active in this way. https://en.m.wikipedia.org/wiki/Oligodynamic_effect https://en.m.w

This is formally known as the oligodynamic effect. Silver is also highly active in this way. https://en.m.wikipedia.org/wiki/Oligodynamic_effect https://en.m.wikipedia.org/wiki/Oligodynamic_effect