Testing Toothpaste for Alkalinity

Testing Toothpaste for Alkalinity

C039/1317 Rights Managed

Request low-res file

530 pixels on longest edge, unwatermarked

Request/Download high-res file

Uncompressed file size: 50.9MB

Downloadable file size: 4.0MB

Price image Pricing

Please login to use the price calculator

Credit: Turtle Rock Scientific/SCIENCE PHOTO LIBRARY

Restrictions: Editorial use only

Caption: Testing toothpaste for alkalinity. Universal indicator changes its colour depending on the pH. Here a universal indicator paper strip has changed colour from yellow to blue-green after coming in contact with toothpaste that contains sodium bicarbonate (NaHCO3). The test shows that the toothpaste is slightly alkaline.

Release details: Model release not required. Property release not available.

Keywords: alkali, alkaline, baking soda, base, basic, chemical, chemistry, indicator, nahco3, paper, ph, ph indicator, sodium bicarbonate, strip, test, toothpaste, universal indicator

Licence fees: A licence fee will be charged for any media (low or high resolution) used in your project.