70% vs 91% Isopropyl Alcohol: Which Disinfects Better?

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How Long Does It Take For Isopropyl Alcohol To Evaporate - GadgetMates

Member's Mark 91% Isopropyl Alcohol (32 fl. oz., 2 pk.) - Sam's Club

When is 70% isopropyl rubbing alcohol better than 91%? - Quora

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How to Use Isopropyl Alcohol Disinfectant (70% vs 91% vs 99%) — Yoguely

TIL that 70% alcohol is better at disinfecting surfaces than 91% alcohol. In one experiment, a 50% alcohol solution killed Staphylococcus Aureus in less than 10 seconds, but a 90% solution failed

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Lower Concentration Of Alcohol May Disinfect Better Than Higher Concentrations – Resource Services HVAC Des Moines