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November 1999

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Subject:
Analysis for acid content in ferric etchant
From:
Richard Mark Mazzoli <[log in to unmask]>
Reply To:
TechNet E-Mail Forum.
Date:
Mon, 8 Nov 1999 13:09:31 EST
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text/plain
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Hi Hans,

Specifically, I need a good way of measuring the acid content in the etchant via titration without having the ferric confuse the result.  Can't use any complexing agent I'm aware of or they change the pH.  Have a solution for me?

Thanks,

Mark

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