Experimental Physical Chemistry: Experiments

Spectroscopy

10. Dipole moment
Polarizabilities and dipole moments from measurements of dielectric constant and index of refraction of liquids.
15. Fourier transform infrared spectroscopy
Molecular structure and dynamics of nuclear motion in diatomic molecules (HCl and DCl) from rotationally resolved infrared absorption spectra. Options: Ethine (effects of nuclear spin); carbon dioxide (Fermi resonance).
17. Raman spectroscopy
(Rotational) Raman spectra of nitrogen and oxygen (in ambient air).
18. Laser induced luminescence of iodine
Vibrationally resolved spectra of iodine in the gas phase. Franck-Condon factors. Vibrational relaxation. Birge-Sponer plot.
19. UV/Vis absorption spectroscopy
UV/Vis absorption spectra of iodine, benzene, etc.

Kinetics

6. Isomerisation of cyclopropane
Unimolecular reaction of cyclopropane to propene in the gas phase.
7. Laser induced luminescence
Time resolved fluorescence and phosphorescence spectra of benzil (diphenylglyoxal) after excitation by a nitrogen laser. Options: Formation of pyrene excimers in solutions; determination of quinine in soft drinks.
8. Recombination of nitrogen atoms
Dissociation of nitrogen molecules in a microwave discharge. Investigation of the kinetics of the recombination of nitrogen atoms using gas phase titration with nitric oxide and chemiluminescence in a flow tube.
21. Flash photolysis
Flash photolysis of iodine. Kinetics of the recombination of iodine atoms.
22. Time resolved polarimetry
Polarimetric investigation of the kinetics of sucrose inversion (acid catalized).

Vacuum

1. High vacuum
Diffusion and turbo molecular vacuum pumps. Calibration of McLeod and Pirani gauges. Measurement of molecular velocities by Knudsen effusion through a capillary tube.
2. BET isotherm
Brunauer-Emmett-Teller adsorption isotherm of nitrogen on silica gel.
11. Heat conduction in gases
Measurements of the heat conductivities of hydrogen and carbon dioxide using the method of Schleiermacher.
16. Mass spectrometry
Quadrupole mass spectrometer. Residual gas analysis. Ambient air (isotopes). Breath (carbon dioxide). Lighter gas (fragmentation of butane isomers).

Discontinued or spares

3. Fractional distillation
Investigation of the properties of a fractionating distillation column using a cyclohexane/n-hexane mixture.
4. Boiling equilibrium
Vapor-liquid equilibrium of tetrahydrofuran/methanol mixtures.
5. Gas chromatography
Optimization of the separation of alcanes or alcanoles on a packed column (Van Deemter curve).
9. Magnetic susceptibility
Gouy balance.
12. Polarography
Application of polarographic methods in quantitative chemical analysis (composition of brass; traces of lead and cadmium in tap water).
13. Temperature jump
Relaxation technique for the investigation of fast reactions in solution.
14. Decomposition of diacetone alcohol
Kinetics of a catalytic reaction in solution: Decomposition of diacetone alcohol (4-methyl-2-pentanon-4-ol).
20. Scanning electron microscopy
SEM-EDX, scanning electron microscopy and energy dispersed x-ray microanalysis
Revised