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Hydroxynaphthol blue?

  1. Oct 17, 2007 #1
    Hydroxynaphthol blue??

    where can I find information on this?
    I want to know when and why this is used...
  2. jcsd
  3. Oct 17, 2007 #2
    I don't know where you can find information on it, or why you would even want to. But i believe it is an indicator for metal titration. Specifically calcium.
  4. Oct 17, 2007 #3


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    Check a catalog of Spectrum Chemical Company;
    Check a catalog of any "fine chemicals" supplier;
    Check in the Merck Index.
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