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Department of Chemistry of Ions in Gaseous Phase

 Department of Theoretical Chemistry    Department of Spectroscopy    Department of Biophysical Chemistry     Department of Structure and Dynamics in Catalysis     Department of Electrochemical Materials    Department of Electrochemistry at the Nanoscale    Department of Chemistry of Ions in Gaseous Phase    Department of Dynamics of Molecules and Clusters    Department of Low-dimensional Systems    Department of Molecular Electrochemistry and Catalysis  

Instrumentation of Department of Chemistry of Ions in Gaseous Phase

A: Major Equipment - Mass Spectrometry

1) Selected ion flow tube mass spectrometer Profile 3 SIFT-MS (Instrument Science Ltd, UK)
- chemical ionisation using H3O+, NO+ and O2+ reagent ions selected from a microwave discharge
- quadrupole mass spectrometric ion detection and counting in m/z range 10 - 300
- positive ion molecule reaction kinetics and determination of rate coefficients and product ion branching ratios
- mouthpiece breath sampling inlet heated to 70 C
- capillary headspace sampling inlet heated to 70 C
- absolute quantification of volatile compounds in range 10 - 10 000 ppbv

2) Selected ion flow tube apparatus Mk1 (Europa Scientific Ltd, UK)
- electron ionisation ion source
- injection mass filter operating for both positive and negative modes
- quadrupole mass spectrometric ion detection and counting in m/z range 10 - 300
- temperature variable flow tube (200 - 400 K)
- positive and negative ion molecule reaction kinetics and determination of rate coefficients and product ion branching ratios
- study of planetary atmospheric ion chemistry

3) Hybrid tandem mass spectrometer ZAB2-SEQ (Micromass, UK)
- electron ionisation ion source
- double focusing mass spectrometer
- direct inlet probe, DIP
- mass range m/z 15 000
- 8 keV ion energy
- neutralisation - reionisation facility

4) GC/MS FOCUS GC ITQ 700 ion trap mass spectrometer (Thermo Fisher Scientific Inc., USA)
- electron ionisation and chemical ionisation ion source
- ion trap mass spectrometric ion detection range m/z 20 - 650
- manual split/splitless injector
- solid phase microextraction SPME
- mid-polar columns for volatile organic compounds (including TR1, DB624)

5) Double-focusing mass spectrometer VG 7070E (Micromass, UK)
- electron ionisation EI ion source
- double focusing mass spectrometer
- direct inlet probe, DIP
- home made data system
- renovated electronics

6) LC/MS/MS tandem quadrupole mass spectrometer, Quattro Premier XE (Waters, USA)
- electrospray ionisation ESI ion source
- triple quadrupole tandem mass spectrometer MS/MS
- high performance liquid chromatography separation HPLC
- mass range m/z 4000
- modified for ion-molecule reaction studies


B: Available Methods

1) Select ion flow tube mass spectrometry
- quantification of volatile metabolites in breath, liquid headspace analyses
- 1 s real time resolution, time dependence of concentrations
- bacterial cultures, environmental and food samples

2) Electron ionisation EI mass spectrometry
- analyses of organometallic compounds using a dedicated direct sample inlet probe

3) LC/MS
- liquid chromatography with mass spectrometric detection

4) Ion chemistry
- determination of rate coefficients and product ion branching ratios at a range of temperatures and energies

C: Auxiliary equipment

1) ZNC3 Vector Network Analyzer (Rohde & Schwarz, s.r.o)
- analyses of electronic circuits in 9kHz - 3GHz range
- calibration set ZV-Z170

2) Gas standard generator (KIN-TEK)
- permeation tubes
- Permeation tube oven with wide temperature range controlled to 0.1 °C

3) GilAir sample collecting pump (Sensidyne)
- tubes for thermal desorption, TD.
- 1 - 5 000 mL/min
- Small-scale autoclave for sterilisation of tools and solutions


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