pH Indicators

pH Indicators are used to determine when the acidity of a solution has a particular value. Use Wolfram|Alpha to find the right pH indicator for your titration.

pH Indicators

Find the indicators for a particular pH.

Indicators for acidic solutions:

indicators that change color at pH 3
indicators for pH 5

Indicators for basic solutions:

indicators that change color at pH 12
indicators for pH 9

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