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GC method for benzoic anhydride in benzoic acid

http://www.chromforum.org/viewtopic.php?t=706

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GC method for benzoic anhydride in benzoic acid

Posted: Wed Sep 08, 2004 2:18 pm
by Muijzer
Who knows how to analyse benzoic acid anhydride (0.1 % - 1.0 %) in benzoic acid (95 %).
:? :?

GC for benzoic anhydride? sometimes a hammer......

Posted: Thu Sep 09, 2004 12:36 pm
by chromatographer1
GC is not the best choice. If the anhydride is stable to silylating reagents then you have a chance, but otherwise, TLC, or HPLC are far better choices. Heck, spectroscopy might even be better!

best wishes,

Chromatographer1
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