Discussion:
Glass transition & crystallization temperatures
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r***@gmail.com
2011-06-22 19:44:12 UTC
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Hello,
I'm working on a project which would be better if I had glass
transition temperatures (Tg) and crystallization peak temperatures
(Tc) for sulfamethazine, sulfaguanidine and cortisol - I need them to
calculate reduced crystallization temperature (Zhou), they are not
easy to find and I don't have proper equipment nor experience to
measure them. If anyone knows where can find any of them, please
share, thanks!
r***@gmail.com
2011-06-23 17:18:05 UTC
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I found two Tg's:

sulfamethazine
Tg = 74.15°C
A Comparison of Spray Drying and Milling in the Production of
Amorphous Dispersions of Sulfathiazole/Polyvinylpyrrolidone and
Sulfadimidine/Polyvinylpyrrolidone, Vincent Caron, Lidia Tajber, Owen
I. Corrigan, and Anne Marie Healy*, Mol. Pharmaceutics 2011, 8, 532–
542

cortisol
Tg=122°C
Rakesh Dontireddy, UCC, Cork
http://www.slideshare.net/rcdreddi/limerick-meet-and-greet-ac-edited

Please let me know if someone has information on sulfaguanidine.

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