Why are brass doorknobs better than steel? Detailed answer

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Why are brass doorknobs better than steel? Detailed answer

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Why are brass doorknobs better than steel?

Some metals, such as silver and copper, have an oligodynamic effect - their ions can kill bacteria and other microorganisms by denaturing proteins and destroying cells. That is why the use of vessels silvered from the inside for storing and transporting drinking water is more than justified. And doorknobs made of brass (an alloy of copper and zinc) self-clean fairly quickly even in high-traffic public places, while steel handles are items with one of the highest concentrations of bacteria.

Authors: Jimmy Wales, Larry Sanger

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