Credit: RHYS LEWIS & MINH TAN PHAM, AHS, DECD, UNISA/SCIENCE PHOTO LIBRARY

Caption: Measuring the pH of a mixture undergoing fermentation. Fermentation is a biochemical process in which yeasts convert sugars into alcohol, and carbon dioxide. The carbon dioxide bubbles off from the solution. Some of the carbon dioxide dissolves in the water, forming carbonic acid, which lowers the pH.

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Keywords: acid, acidity, alcohol, bench, biochemical, biochemistry, brewer's, brewing, carbon dioxide, carbonic, chemical, chemistry, demonstrating, demonstration, education, educational, electric, electronic, ethanol, fermentation, fermenting, glassware, lab, laboratory, measuring, meter, microbiology, ph, probe, reacting, reaction, school, science, yeast

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Measuring pH during fermentation

K004/2751 Rights Managed

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Duration: 00:00:29.05

Frame size: 1920x1080

Frame rate: 25

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

File size: 853.9M

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Capture format: Sony FS700

Codec: Apple ProRes 422 (HQ)

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