Testing Toothpaste for Alkalinity

Testing Toothpaste for Alkalinity

C039/1316

Rights Managed

Restrictions:

Editorial use only.

Caption

Testing toothpaste for alkalinity. Litmus indicator changes its colour depending on the pH. Here a litmus indicator paper strip has changed colour from red to blue after coming in contact with toothpaste that contains sodium bicarbonate (NaHCO3). The test shows that the toothpaste is alkaline.

Release details

Model release not required. Property release not available.

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