MarkBoran4562 MarkBoran4562

13-02-2018
Biology

contestada

Why is 100 alcohol not an effective disinfectant as 70 percent?

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alove1777 alove1777

13-02-2018

100% alcohol is extremely flammable and evaporates very fast. It may just dehydrate the microbe and put it in a state where it can still cause harm. 70% will stay on a surface long enough to actually kill harmful microbes.

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