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Author: Subject: labile hydrogen/deuterium exchange
madd
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[*] posted on 16-3-2014 at 12:30
labile hydrogen/deuterium exchange


Hi all,
Say I have a compound which has a single labile hydrogen and I want to substitute that hydrogen for deuterium. Say I have my compound inside sealed dialysis tubing and that tubing is set inside a solution of D2O. How can I calculate what fraction of my compound will be deuterated at equilibrium?

The mL quantity of compound and D2O are known. And KH/KD (kinetic isotope effect) is known. My first guess is that VD=VH * KD/KH.

Am I on the right track?

[Edited on 16-3-2014 by madd]

[Edited on 16-3-2014 by madd]
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