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How do we test the pH of a product without contaminating it? Watch

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    I was thinking something like universal indicator/litmus paper?
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    Absolutely. Or if you know what you have produced is (acid or Base) you can perform a titration with a known concentration of a suitable acid or Base with a suitable indicator.

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    (Original post by Ajem)
    I was thinking something like universal indicator/litmus paper?
    of course you lick the sample and compare its taste to salt
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    (Original post by Ajem)
    I was thinking something like universal indicator/litmus paper?
    I'm pretty sure that you could use universal indicator. You can then just remove the indicator by heating with charcoal and filtering the charcoal away.
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    Dip a finger in. Not a precise measurement but it works.

    Or take a sample and test that.
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    pH probe?
 
 
 
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