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compoundchem.com Compound Interest | Chemistry infographics @compoundchem.com · Feb 17
Today is #NationalCabbageDay, which is always a good opportunity to remind everyone that red cabbage can be used to make a colourful pH indicator solution! www.compoundchem.com/2017/05/18/r...

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Infographic on making a pH indicator from red cabbage. The indicator can be made by roughly chopping cabbage, boiling, straining, and collecting the liquid. The extract contains anthocyanin pigments which give different colours in solutions of different pH, ranging from red, through purple, to green and yellow.
February 17, 2025 at 9:53 PM