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 ...

This is an outline method for carrying out a titration in which an acid is added to an alkali. The same method works for adding an alkali to an acid – just swap around the liquids that go into ...

METTLER TOLEDO offers several methods for a range of applications using the DP5 Phototrode ... Within 2 minutes, precise and reliable acid number values can be obtained. The titration glass sensors ...