From: rubello albino (rubello.ribbon$##$libero.it)
Date: Tue Feb 19 2002 - 05:59:04 EST
Dear sirs,
taking two diferent samples of a white betalattamic antibiotic and monitor the stability under stressed conditions it appears that one has after 1 month a worse colour than the other.
What do you suggest which analytical tool to use to determine the origin of this colour instability ?
Many thanks
A. Rubello
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