Phase diagram of water confined in MCM-41 up to 700 MPa

The Journal of Chemical Physics
A PajzderskaJ Wąsicki

Abstract

On the basis of measurements of NMR signal intensity and T1 and T2(*) relaxation times as a function of temperature (290 K-170 K) and pressure (0.1 MPa-700 MPa), the p-T phase diagram was made for the sample containing water inside and outside MCM-41 pores of 1.81 nm in radius. The temperature of nucleation of water confined in nanopores under normal pressure was 230 K. With increasing pressure this temperature decreased to 200 K under 300 MPa, but with further increase in pressure it did not change.

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Citations

Sep 10, 2017·The Journal of Chemical Physics·Takahiro MatsuiHideki Tanaka
Feb 24, 2017·The European Physical Journal. E, Soft Matter·Masumeh ForoutanFarshad Esmaeilian

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