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pH (or the potential of hydrogen) is a scale used to measure how acidic or basic an aqueous solution is.

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I want to answer the question if a drug which is analysed for pH and pKa is ionised or not ionised in a cow stomach with a pH of 6. The drug has a pH of 8,52 and a pKa of 8,78. Since the pH is 8,52 … I considered it as a base and in that case the drug would be almost completely ionized at a pH of 6, which means it is not absorbed through the stomach wall. However, the drug has also some acidic …
asked Mar 21 by Anouk van Vilsteren