Instrumentation of Department of Structure and Dynamics in Catalysis | J. Heyrovsky Institute of Physical Chemistry

A: Major Equipment

1) 500 MHz MAS NMR spectrometer Bruker Avance III HD 500 WB/US NMR (upgrade 2013, in the Joint Laboratory of ss-NMR Spectroscopy of Institute of Macromolecular Chemistry ASCR and JHIPC)

7-mm N-P/H probehead
4-mm N-P/H-F probehead
4-mm X/Y/H probehead
3.2-mm N-P/H-F probehead
2.5-mm N-P/F-H probehead

2) UV-Vis-NIR spectrometer Perkin-Elmer Lambda 950

Two integrating sphere attachments for diffuse-reflectance measurements at UV-Vis-NIR with spectralon coating
Integrating sphere attachment for diffuse-reflectance measurements at NIR with coating by gold
Harrick through flow cell for elevated temperatures for measurements with praying mantis

3) Four FTIR spectrometers Nexus 670 e.s.p. (Thermo Nicolet Co.)

MKS detectors
DTGS KBr
ATR and reflectance accessories
Twice high-low pressure IR reactor In-Situ Research - Instruments, USA one equipped by AvaSpec-2048FT Fast Trigger Fiber Optic UV-Vis Spectrometer Avantes and one with GC gas analysis.

4) Catalytic apparatuses

Computerized catalytic reactors for hydrocarbon transformations equipped with gas chromatograph with GC (HP 5890, HP 6890, HP 5971A, HP 6850, Finnigan 9001 with GC-FID, TCD, MSD) and MS detection (GC-MS spectrometer Agilent, Quadrupole mass spectrometers QMA 125, QMG 421C, QMG 420)
Computerized Microactivity-Reference catalytic reactors PIDENG&TECH with GC detection
Computerized catalytic reactors for N2O/NO/NO2 abatement reactions with NO/NOx chemoluminescence analyzers VAMET, Analyzer Advanced Optima 200/Limas 11HW ABB, N2O analytical system Advance Optima Hartmann & Brown and GC detection

B: Available Methods

1) Preparation of heterogeneous catalysts and sorbents

Hydrothermal synthesis and preparation of inorganic materials including zeolites in 50 ml - 2.2 l autoclaves
Modification of catalysts forms (acid, base, redox) by ion exchanges and impregnations
Basic characterization of products (XRD, SEM)

2) Characterization of catalytic activity of acid and base heterogeneous catalysts

Through-flow catalytic experiments, including elevated pressure
Batch catalysts and kinetic testing (100 ml - 2.2 l autoclaves)
GC and MAS spectroscopy analysis of products

3) Characterization of acid and base heterogeneous inorganic catalysts

Characterization of acidic properties by TPD and FTIR spectroscopy of adsorbed probes
Characterization of redox properties by TPR, FTIR, Mössbauer spectroscopy and UV-Vis spectroscopy
Characterization of catalysts by XRD, SEM, TEM

4) NMR spectroscopy of inorganic solids

Setup for treatment/evacuation of samples & sealing prior spectra measurement

5) UV-Vis-NIR spectroscopy in transition and diffuse-reflectance mode

Measurement of liquids, powders, turbid media
Measurement in transmission, reflection and diffuse reflection mode
Measurement at elevated temperatures and different gases

6) FTIR spectroscopy in transition and diffuse-reflectance mode

Home-made cells for measurement in different atmospheres and treatment of samples at elevated temperatures
Through flow cell for in situ measurement at elevated temperatures