freeze-drier for HPLC fractions

Denni Schnapp ds4 at st-andrews.ac.uk
Tue Sep 19 08:17:59 EST 1995


Dear netters,

We are doing a lot of reverse phase HPLC separation of peptides
with ACN gradients in 0.1% TFA. We need to freeze-dry our HPLC
fractions and are currently thinking about obtaining our own
freeze-drying system. Several people have told me that neither ACN
nor TFA are particularly good for the pump. So, does anyone know
about what type of (cheap!) pump may be best suited for the job?
Any experiences?

Thanks for your advise!


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Denni Schnapp		    
Gatty Marine Laboratory    			Fax: (0)1334-463443
University of St. Andrews			e-mail: ds4 at st-and.ac.uk
St. Andrews Fife KY16 8LB   			
Scotland		   	http://www.st-and.ac.uk/~www_sa/personal/ds4/
		     
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