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Topic: making a pH scale  (Read 2743 times)

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Offline lamby11

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making a pH scale
« on: February 23, 2009, 11:43:06 AM »
Hey, I'm currently researching for my AH project, working out the pKa values of certain fruits. I need to make a pH scale to see at what pH each fruit changes colour at.
Any ideas at all how i could do this?

cheers.
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Offline Loyal

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Re: making a pH scale
« Reply #1 on: February 23, 2009, 03:52:50 PM »
When you say "changes color" do you mean the fruit itself or something like an indicator?



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