An acid-base indicator is a substance that changes color as the pH of the solution changes. Indicators work because they are weak acids which when in solution, exist in equilibrium with their ...

Anderson and Kathryn explore pH, acidity and the link between carbon dioxide and acidity. Student host Anderson and Southern Research’s Kathryn Lanier explore the pH of various household substances ...

A research team, led by University of Delaware professor Wei-Jun Cai, has identified a zone of water that is increasing in acidity in the Chesapeake Bay. The team analyzed little studied factors that ...