Spectroscopy is a powerful laboratory technique used to determine the structure and concentration of a sample based on the amount and wavelengths of light that it absorbs. NMR spectroscopy is a powerful tool for identification of compounds.
Our available spectroscopic equipment is listed below.
Atomic Absorption Spectroscopy (Flame)
GBC Avanta AAS with deuterium background correction. Used for analysis of ppm-level metals, ppb-level metal hydrides, and mercury by the cold-vapour method. Location: F3.15. Contact: Annie Barker.
Atomic Emission Spectroscopy
Can be carried out on the GBC Avanta AAS instrument (above). Location: F3.15. Contact: Annie Barker.
Electron Spin Resonance (ESR)
Varian E104A fitted with variable temperature device for the detection and characterisation of paramagnetic species such as free radicals and transition metal ions. Location: C3.06. Contact: Graham Saunders.
- Perkin Elmer Spectrum 100A Express, FTIR. Location: D3.03. Contact: Jenny Stockdill.
- Perkin Elmer Spectrum Spotlight 200 FTIR with Microscopy system. Location: E3.04. Contact: Michael Mucalo.
- Digilab FTS 40. Wavelength range 4000 - 10 cm-1. Location: D3.09. Contact: Michael Mucalo.
- URAS 2 Infra-red gas analyzer with cells for CO2 and N2O; range 50,000-0.1 ppm C02. Location: F3.16. Contact: Annie Barker.
Perkin Elmer LS50B Luminescence Spectrometer utilising a xenon source and capable of measuring in fluorescence, phosphorescence and bio- and chemiluminescence modes. Samples can be either in solution or on a surface, with detection limits in the picomole region. Location: F3.16. Contact: Annie Barker.
- Bruker Avance 300 FT-NMR. Fully multinuclear spectrometer, including special low frequency probe for 73Ge NMR. Location: E3.03. Contact: Alistair Wilkins for NMR of liquid samples or Michael Mucalo for NMR of solid samples.
- Bruker Avance DRX400 FT-NMR. Equipped with standard, and inverse, 13C/1H probes, PFG, and digital quadrature detection. Off-line processing on a second PC. Location: E3.03. Contact: Merilyn Manley-Harris or Graham Saunders.
Several polarimeters are available.
- Bellingham & Stanley Model D2 polarimeter. Location: D3.12. Contact: Jenny Stockdill.
- Polarimeter, Optical Activity Model AA-5. Location: C3.03. Contact: Bill Henderson.
Chemistry has access to a Raman Spectrometer, please contact Graham Saunders.
Scanning Electron microscope/Energy Dispersive X-ray Analyser (SEM-EDX)
Chemistry has access to the Hitachi instrument which includes a cold stage. It can be used for elemental analysis of very small samples or very small portions of a non-homogeneous sample, for producing line scans of a sample or element maps. Contact: Michael Mucalo.
Transmission Electron Microscope (TEM)
This is a School of Engineering instrument with guaranteed access for Chemistry users. 2-D Imaging technique to determine morphology, particle size and for elemental analysis.
- Varian Cary 1, with temperature controller. Wavelength range 190-900 nm, controlled by PC with Windows interface. Location: D3.09. Contact: Jenny Stockdill.
- Varian Cary 100. Double beam instrument with wavelength range 190-900 nm, can be thermostated. Centrally controlled by PC with Windows interface. Location: D3.09. Contact: Jenny Stockdill.
- Genesys 10S UV-Vis with 6 cell and a 1 cell cuvette holder, wavelength range 190 to 1100 nm, 1.8 nm spectral bandwidth. Micro-processor or PC control using Visionlite software. Location: D3.12. Contact: Jenny Stockdill.
- Jenway Model 7300, Vis spectrophotometer, wavelength range 320 to 1000nm, with PC control. Location: F3.15. Contact: Annie Barker.
- PE Lambda 11 Visible spectrometer, wavelength range 300 to 800nm. Location: D3.03. Contact: Jenny Stockdill.
Chemistry has access to a powder diffractometer. Used in crystal identification, characterisation, degree of crystallinity measurement, quantitative analysis. Contact: Graham Saunders.
Full crystal structures are routinely solved by arrangement with the Universities of Canterbury or Auckland. Contact: Graham Saunders.
Find and make contact with the staff in the Chemical Services Unit.
For the latest equipment and analytical costs for external clients, please refer to the Science & Engineering Services Fees Schedule.
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