ORGLIST: Production of deuterated solvents

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From: Jonas Nilsson (jonni$##$ifm.liu.se)
Date: Fri Apr 28 2000 - 10:38:16 EDT

Dear Members

My collegue an I was discussing over a cup of coffe about how
isotopically enriched materials are produced. Especially deuterated
solvents are of interest.
I just read on the internet about how "heavy water" was made during
world war two by careful electrolysis of large quantities of water which
if I understand it right tends to make H2 leave easier than both HD and
D2, thus enriching the remainder in deuterium.

Questions:
Is this still how it is made?
Is the product in this process mainly D2 or D2O?
How are solvents like deuterated
methanol/chloroform/DMSO/acetone/dichloromethane produced? Some of them
could be done by simple treatment of undeuterated solvent with strong
base/excess D2O i guess.

Please inform me if you have any other knowledge about other isotopic
enrichments?

/jN 

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