Find Info on Hydroxynaphthol Blue - When & Why It's Used

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Hydroxynaphthol blue is primarily used as an indicator in metal titration, particularly for calcium. Information on its applications and usage can be found in catalogs from fine chemical suppliers like Spectrum Chemical Company and in the Merck Index. Users seeking detailed data should consult these resources for comprehensive information. The discussion highlights the chemical's relevance in analytical chemistry. Understanding its role in titration can aid in various laboratory applications.
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Hydroxynaphthol blue??

where can I find information on this?
I want to know when and why this is used...
Thanks
 
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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.
 
Check a catalog of Spectrum Chemical Company;
Check a catalog of any "fine chemicals" supplier;
Check in the Merck Index.
 

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