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

Caption: Water with hypochlorite disinfectant added. The water contains universal indicator, which is green in neutral water. Hypochlorite is a common steriliser, for instance used in swimming pools and to disinfect drinking water. In water, it reacts to form hypochlorous acid, which does the disinfecting. The equation for this is: OCl- + H2O --> OH- + HOCl. As hypochlorite bleaches are highly alkaline, the universal indicator turns purple.

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

Keywords: bench, bleach, chemical, chemistry, chlorine, colour change, demonstrating, demonstration, disinfectant, disinfecting, drinking water, education, educational, glassware, hypochlorite, hypochlorous, lab, laboratory, neutral, potable, reacting, reaction, school, science, solution, sterilisation, sterilising, swimming pool, universal indicator, water

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Hypochlorite disinfection of water

K004/2129 Rights Managed

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Duration: 00:00:20

Frame size: 1920x1080

Frame rate: 25

Audio: No

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

File size: 555.2M

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Capture format: Sony FS700

Codec: H.264

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