You could try:
Money N.P. (1989). Osmotic presure of aqueous polyethylene glycols. Plant
Physiol. 91, 766-769.
Good luck
Virginia Berg <bergv at CHAOS.CNS.UNI.EDU> wrote in article
<1.5.4.32.19990316204637.006f26b0 at chaos.cns.uni.edu>...
> There is a way to use PEG solutions of various concentrations to control
the
> relative humidity. I want to hold some stuff at a particular RH/water
> potential value by having it sit in a sealed container whose atmosphere
is
> at equilibrium with the PEG solution below. (Actually, I want to do a
bunch
> of these at different RH/water potential values.) Saturated salt
solutions
> don't give the values I want. Can anyone point me to the right recipe?
>> Thanks.
>> --Gini Berg
>> To me it seems that all sciences are vain and full of errors that are not
> born of experience, mother of all certainty.
> --Leonardo da Vinci (1452-1519)
>> Virginia Berg (bergv at uni.edu)
> Biology Department 0421
> University of Northern Iowa
> Cedar Falls, IA 50614
> (319) 273-2770 (phone), 273-2893 (fax)
>http://www.uni.edu/berg>>
