PharmPC Discussion - Pharmaceutical Coatings

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On 12 Nov 1997 at 15:15:28, Muni Nerella (mnerella.at.ispcorp.com) sent the message


Hi Everyone
I'd like to find about current methods that are being used to
characterize pharmaceutical tablet coatings.  Existing literature points
only to subjective measurements, such as coating quality being visually
acceptable or not.  However I am interested in quantitating the
uniformity of coating (such as surface roughness/smoothness) or coating
gloss.

Reflectance (Visible or Near-IR) based techniques are a choice.  But are
these techniques being used?

Comments / Suggestions are welcome.  Please direct responses directly to
me and I will summarize the outcome.  Thank you.

Muni
mnerella.at.ispcorp.com

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On 13 Nov 1997 at 10:09:09, majella geraghty (mgeraghty.at.ailm.may.ie) sent the message


Hi Muni,
Refer to Dr. Ann Marie Healy, or Prof. Owen Corrigan, of The Pharmaceutics
Dept., Trinity College Dublin.
Best wishes,
Majella

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David Bourne (david@boomer.org)