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Volume-variable sample holder for small-angle x-ray scattering measurements of supercritical solutions and its application to the mixture
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10.1063/1.1858580
/content/aip/journal/rsi/76/3/10.1063/1.1858580
http://aip.metastore.ingenta.com/content/aip/journal/rsi/76/3/10.1063/1.1858580

Figures

Image of FIG. 1.
FIG. 1.

Cross-section of the volume-variable sample holder with a metal bellows: A: handle, B: Teflon O-ring, C: moving type packing, D: Teflon O-ring, E: retainer, F: window holder insert, G: Teflon O-ring, H: diamond window, I: high-pressure connector, J: cell body, K: vacuum gasket, L: metal bellows for vacuum chamber.

Image of FIG. 2.
FIG. 2.

Schematic diagram of the experimental configuration of the SAXS measurement and the apparatus for preparation of mixtures.

Image of FIG. 3.
FIG. 3.

Comparison of the density fluctuations for the neat . (∎) This work and (—) the thermodynamic calculation by use of an equation of state for (Ref. 25). The comparison is made at the 316.9 K.

Image of FIG. 4.
FIG. 4.

The SAXS intensities of the several thermodynamic states for the supercritical mixture at the 0.005 mole fraction of along the isotherm at 316.3 K.

Image of FIG. 5.
FIG. 5.

Density dependence of the correlation lengths for the supercritical mixture at the 0.005 mole fraction of along the isotherm at 316.3 K (∎) and that of the neat (엯). The comparison is made at the .

Tables

Generic image for table
Table I.

Determined critical temperatures and pressures for and corresponding values in Refs. 18 and 19.

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/content/aip/journal/rsi/76/3/10.1063/1.1858580
2005-02-02
2014-04-24
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Volume-variable sample holder for small-angle x-ray scattering measurements of supercritical solutions and its application to the CHF3–CO2 mixture
http://aip.metastore.ingenta.com/content/aip/journal/rsi/76/3/10.1063/1.1858580
10.1063/1.1858580
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