TY - JOUR
T1 - Preferential solvation in mixed solvents. 12. Aqueous glycols
AU - Marcus, Yizhak
PY - 2003/9
Y1 - 2003/9
N2 - The Kirkwood-Buff integrals of aqueous mixtures of ethylene glycol, 1,2-propylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, and the polyethyleneglycols PEG300 and PEG400 were calculated from thermodynamic data. Volume-corrected preferential solvation parameters for the first solvation shell were then calculated with correlation volumes pertaining to linear oligomeric molecules rather than spherical ones, provided the preferential solvation is small, as is the case for the glycols. The numbers of water molecules associated with each oxygen atom of the glycols in dilute solutions were obtained from these data.
AB - The Kirkwood-Buff integrals of aqueous mixtures of ethylene glycol, 1,2-propylene glycol, diethylene glycol, triethylene glycol, tetraethylene glycol, and the polyethyleneglycols PEG300 and PEG400 were calculated from thermodynamic data. Volume-corrected preferential solvation parameters for the first solvation shell were then calculated with correlation volumes pertaining to linear oligomeric molecules rather than spherical ones, provided the preferential solvation is small, as is the case for the glycols. The numbers of water molecules associated with each oxygen atom of the glycols in dilute solutions were obtained from these data.
KW - Aqueous glycols
KW - Kirkwood-Buff integrals
KW - Preferential solvation
UR - http://www.scopus.com/inward/record.url?scp=0043125744&partnerID=8YFLogxK
U2 - 10.1016/S0167-7322(03)00144-2
DO - 10.1016/S0167-7322(03)00144-2
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AN - SCOPUS:0043125744
SN - 0167-7322
VL - 107
SP - 109
EP - 126
JO - Journal of Molecular Liquids
JF - Journal of Molecular Liquids
IS - 1-3
ER -