Liquid Propane

Chris Hosfield chris at crystal
Thu Jan 9 14:10:54 EST 1997


Hello,

	I was wondering if someone knows anything about using propane as 
a medium for freezing crystals prior to cryocooling.  For example, what 
purity of propane is required, what method do you use for cooling gaseous 
propane to liquid, how do you store the crystal once in liquid propane, and 
finally, what are the safety precautions, if any?

Any assistance would be greatly appreciated.


Sincerely,


Chris Hosfield
chris at crystal.biochem.queensu.ca
Queen's University
Kingston, ON
CANADA




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