Naked Science Forum

Non Life Sciences => Chemistry => Topic started by: lomm on 18/04/2010 21:21:14

Title: how does an universal indicator work ?
Post by: lomm on 18/04/2010 21:21:14

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Title: how does an universal indicator work ?
Post by: Geezer on 19/04/2010 10:31:21

I'm not sure I know (actually I'm pretty sure I don't know), but I seem to remember mucking about with phenolphthalein or something.

Title: how does an universal indicator work ?
Post by: Bored chemist on 19/04/2010 18:08:51

They mix a bunch of indicators that change colour at different pH values.