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10.1111/bjd.17741 213
Notice also that the p K a scale is logarithmic, so even a small difference, lets say p K a 1 = 16 and p K a2 = 19, represents 3 p K a units, which means the first compound is 10 3 or 1,000 times more acidic than the second compound
the other half got a placebo
doi: 10.3389/FMICB.2021.700605 11 AtanaseL
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