Credit: SCIENCE PHOTO LIBRARY MOTION

Caption: Universal indicator acid-base colour range. Footage of the colour range of universal indicator solution demonstrated in flasks containing liquids of different pH values. The acid-base (pH) scale runs from 0 to 14. The central flask here displays a neutral pH (7), while liquids in the flasks at left are acidic and in the flasks at right are alkaline (basic). The colours and approximate pH values are, from left to right: red (pH 1), orange (pH 3), yellow (pH 5), light green (pH 7), dark green (pH 9), light purple (pH 12), and dark purple (pH 14).

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Universal indicator acid-base colour range

K005/3824 Rights Managed

Downloadable master

Duration: 00:00:07.03

Frame size: 1920x1080

Frame rate: 25

Audio: No

Format: QuickTime, Photo JPEG 100%, progressive scan, square pixels

File size: 86.2M

Original

Capture format: Canon EOS 5D Mark III

Codec: H.264

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