The osmotic potential of polyethylene glycol 6000.

  title={The osmotic potential of polyethylene glycol 6000.},
  author={Beverly Michel and Merrill R. Kaufmann},
  journal={Plant physiology},
  volume={51 5},
Osmotic potential (psi(s)) of aqueous solutions of polyethylene glycol 6000 (PEG-6000) was curvilinearly related to concentration. At given concentrations, psi(s) increased linearly with temperature. The effects of concentration and temperature on psi(s) of PEG-6000 solutions differ from those for most salts and sugars and apparently are related to structural changes in the PEG polymer. Measurements of psi(s) with thermocouple psychrometers are more negative than those with a vapor pressure… CONTINUE READING
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