Acid/base indicators are described and used to identify substances as acids or bases. Indicators and the pH Scale: Acid/base indicators are described and used to identify substances as acids or bases.

The pH scale that is widely accepted and used by scientists didn't actually exist until 1909. Before then scientists had to rely on using adjectives to describe the acidity or basicity of a substance ...

Søren Peder Lauritz Sørensen, the trailblazing chemist who introduced the pH scale to the world, is celebrated in a Google Doodle. The Danish scientist introduced the scale as a method for testing the ...

The pH, or the acidity or alkalinity of an environment, has long been known to affect how efficiently catalysts drive key ...