An absolute acidity scale for solvents

Comprehensive solvent acidity scale could help make acid-catalysed reactions more reliable and reproducible.

Using acids from this table, buffer solutions of a well-defined composition can be prepared spanning an acidity range of over 28 pH units, which is double the pH window of water.

A collaboration between scientists in Estonia and Germany has resulted in a comprehensive solvent acidity scale spanning 28 orders of magnitude, twice as much as the classical pH scale.

Click here to read the full story on Chemistry World written by Lynn Murphy.


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