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Experimental arrangements suitable for the acquisition of inelastic neutron scattering spectra of heterogeneous catalysts
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10.1063/1.3553295
/content/aip/journal/rsi/82/3/10.1063/1.3553295
http://aip.metastore.ingenta.com/content/aip/journal/rsi/82/3/10.1063/1.3553295
View: Figures

Figures

Image of FIG. 1.
FIG. 1.

Schematic of gas handling equipment showing arrangement of mass flow controllers [rectangular boxes indicate maximum flow rates for N2 (sccm)], pressure relief valves (PRV), pressure sensors (P), mixing volume (MV), vacuum connections (Vac), thermocouple (TC), fill and overflow saturator lines (F and O), mass spectrometer (MS), and back pressure regulator (BPR). Shaded areas indicate heating.

Image of FIG. 2.
FIG. 2.

Packing arrangement in the tube reactor.

Image of FIG. 3.
FIG. 3.

Drawings of the in situ reaction cell for INS measurements.

Image of FIG. 4.
FIG. 4.

(Color online) Photograph of the in situ reaction cell mounted on sample stick for INS measurements.

Image of FIG. 5.
FIG. 5.

INS spectra of (a) η-alumina after methanol adsorption and purge at 473 K, (b) η-alumina after activation under He flow at 623 K, and (c) empty reaction cannister recorded at E i = 600 meV. Subtracted spectra of the alumina after (d) and before (e) adsorption [(d) = (a) − (c), (e) = (b) − (c)].

Image of FIG. 6.
FIG. 6.

INS spectra of (a) η-alumina after methanol adsorption and purge at 473 K and (b) η-alumina after activation under He flow at 623 K, (c) empty reaction cannister recorded at E i = 250 meV. Subtracted spectra of the alumina after (d) and before (e) adsorption [(d) = (a) − (c), (e) = (b) − (c)].

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/content/aip/journal/rsi/82/3/10.1063/1.3553295
2011-03-02
2014-04-16
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752b84549af89a08dbdd7fdb8b9568b5 journal.articlezxybnytfddd
Scitation: Experimental arrangements suitable for the acquisition of inelastic neutron scattering spectra of heterogeneous catalysts
http://aip.metastore.ingenta.com/content/aip/journal/rsi/82/3/10.1063/1.3553295
10.1063/1.3553295
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