Abstract
The volume of water (H2O) was obtained at about 200–275 K and 40–400 MPa by using emulsified water. The plot of volume against temperature showed slightly concave-downward curvature at pressures higher than ≈200 MPa. This is compatible with the liquid-liquid critical-point hypothesis, but hardly with the singularity-free scenario. When the critical point is assumed to exist at ≈50 MPa and ≈223 K, the experimental volume and the derived compressibility are qualitatively described by the modified Fuentevilla–Anisimov scaling equation.
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(
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) - See supplementary material at http://dx.doi.org/10.1063/1.3487999 for the rotation of the three-dimensional figures and the numerical values (Fig. 1).
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Dates
Type | When |
---|---|
Created | 14 years, 10 months ago (Oct. 11, 2010, 6:13 p.m.) |
Deposited | 2 years, 2 months ago (July 3, 2023, 8:07 p.m.) |
Indexed | 1 week, 2 days ago (Aug. 27, 2025, 12:33 p.m.) |
Issued | 14 years, 10 months ago (Oct. 11, 2010) |
Published | 14 years, 10 months ago (Oct. 11, 2010) |
Published Online | 14 years, 10 months ago (Oct. 11, 2010) |
Published Print | 14 years, 10 months ago (Oct. 14, 2010) |
@article{Mishima_2010, title={Volume of supercooled water under pressure and the liquid-liquid critical point}, volume={133}, ISSN={1089-7690}, url={http://dx.doi.org/10.1063/1.3487999}, DOI={10.1063/1.3487999}, number={14}, journal={The Journal of Chemical Physics}, publisher={AIP Publishing}, author={Mishima, Osamu}, year={2010}, month=oct }