Analytical equipment

Spectroscopy

A piece of scientific equipment

 

Atomic Absorption Spectrometer with Vapour Generation System

The Varian AA280FS atomic absorbance spectrophotometer is used for the analysis of metal ions in aqueous solution. The hydride generation unit allows for the determination of trace levels of important Arsenic and Antimony; toxic metalloids of environmental significance.

A piece of scientific equipment

 

Fluorescence Spectrophotometer

Fluorescence spectrophotometery is used for the determination of trace organic compounds in aqueous samples. This instrument is primarily used by GeoScience researchers to determine changes to the types and amounts of dissolved organic compounds in our environment.

 

Inductively Coupled Plasma-Optical Emission Spectrometer and Inductively Coupled Plasma-Mass Spectrometer

ICP-OES and ICP-MS are used for the determination of metals and metalloids in a wide range of samples. ICP-MS has the capacity to perform isotopic analyses.

A piece of scientific equipment

 

Clariostar Multi-modal Spectrophotometer

The Clariostar microplate reader is a high-throughput instrument capable of the fast analysis of up to 96 samples in a single analytical run. This instrument can be used for chemical kinetic studies, colourimetric analyses, biological assays, and genomic studies.

A piece of scientific equipment

A piece of scientific equipment

 

Cary 50 Benchtop and Hach Portable UV/Vis spectrophotometers

Our UV/Visible spectrophotometers are primarily used for the colorimetric determination of iron species, alkalinity, and the sulphide ion. The portable spectrophotometers provide researchers with the capacity to perform accurate quantitation quickly and easily in the lab and field.

A piece of scientific equipment

 

OLIS Spectrophotometer

The OLIS Clarity Spectrophotometer is used for the determination of trace amounts of organic and inorganic analytes in a variety of matrices, including turbid samples, solids, and samples containing species or particles that scatter light that cannot be easily analysed using other spectrophotometric methods.

Chromatography

A piece of scientific equipment

 

High Performance Liquid Chromatograph with Variable Wavelength Detector

High Performance Chromatography a powerful analytical technique is used by GeoScience staff for the quantification of elemental sulphur in soil.

A piece of scientific equipment

 

Ion Chromatograph

The Metrohm 883 Basic IC+ ion chromatograph is used for the quantitative analysis of a variety of ionic species including but not limited to low-molecular weight organic acids, oxalate, sulphate, chloride, nitrate, nitrite, phosphate anions, and fluoride ions in aqueous samples.

 

Total Organic Carbon/Gas Chromatograph-Combustion/Elemental Analyser-Isotope Ratio Mass Spectrometer

Isotope Ratio Mass Spectrometry (IRMS) is used to provide information about the geographic, chemical, and biological origins of substances. Our setup allows for the determination of bulk isotope ratios within a sample or the isotope ratio of a specific compound of interest.

X-ray Diffraction and Elemental Analysis

A piece of scientific equipment

 

X-Ray Diffractometer

The Bruker D4 Endeavour X-Ray Diffractometer is used for the qualitative and quantitative analysis of mineral powders and other crystalline substances; XRD techniques are also used for the determination of a material’s crystallographic properties.

A piece of scientific equipment

 

Benchtop Ray Fluorescence Spectrometers

The benchtop XRF Epsilon 3-XL Spectrometer provides researchers with the capacity to perform fast and accurate analyses of the elemental composition of liquid and solid samples.

A piece of scientific equipment

 

Portable X-ray Fluorescence Spectrometers (pXRF)

The Bruker Tracer III pXRF allows for the non-destructive elemental analysis of solid-state materials and finds applications in both the field and laboratory. Used primarily by GARG for the analysis of archaeological artefacts and geological samples.

A piece of scientific equipment in use

 

Laser Ablation - Inductively Coupled Plasma-Mass Spectrometer

ICP mass spectrometry with laser ablation is used at GeoScience for the elemental and isotopic analysis of archaeological artefacts and other solid samples. It is a relatively non-destructive analytical technique that requires little or no sample preparation. LA-ICP-MS allows for element and isotopic analysis of entire samples enabling the user to map element and/or isotope changes across the surface of a sample.

 

CNS analysers

The CNS analysers are used for the elemental analysis of Carbon, Hydrogen, Nitrogen, Oxygen and Sulphur in a range of organic & inorganic samples.

Microscopy

Optical microscope

 

Optical Microscope

The Leica DMS1000 microscope with 5MP camera is used for the microscopy of minerals, archaeological artefacts.

 

Scanning Electron Microscope with Energy Dispersive X-ray Analysis

Scanning Electron Microscopy (SEM) provides detailed high resolution images of a sample. The instrument is coupled with an Energy Dispersive X-Ray Analyser (EDX) that is used to provide elemental identification and quantitative information about a sample.

Speciality Techniques

Mossbauer and Cryostat scientific equipment

Scintillation counter

Electron Spin Resonance Spectrometer

Electron Spin Resonance Spectroscopy is used by the Geoarchaeology and Archaeometry Research Group (GARG) at GeoScience for the accurate dating of hominid teeth through the quantitation of free radicals in tooth enamel formed by long-exposure to environmental radiation.

 

Mossbauer Spectrometer with Cryostage

Used in GeoScience for the analysis of iron-bearing minerals with gamma radiation. Mossbauer techniques can give very precise information about the chemical, structural, magnetic properties of a material and its immediate environs. The cryostage allows for the analysis of samples at a range of temperatures 77K to ambient.

 

Flow Injection Nutrient Analysers

Flow injection analysis, or FIA, is a continuous flow method for rapidly processing samples where the sample can be mixed with reagents and diluted, dialyzed, extracted, incubated or derivatized. FIA allows for high sample throughput, high precision and high accuracy in the analysis of samples. 

 

Particle Size Analyser with large volume sample dispersion unit

Mastersizer Hydro 2000MU is used for measuring the particle size of particles from the sub-micron to the millimetre scale and the distribution of different size particles in liquid samples.

 

Scintillation Counter

The 1450 Microbeta Scintillation Counter is used to detect and quantify ionising radiation in samples. Used to assess the uptake of radio-labelled elements and compounds in plant material.

Miscellaneous Equipment

 

Autotitrator

The Metrohm Titrando autotitrator used for a variety of titrimetric determinations in the GeoScience labs. Allows for the precise control and measurement of the volume of titrant added to a solution of the analyte of interest. Often used for iodometric titrations.

Bioreactor

Bioreactor

The Stedim Biostat-B bioreactor is designed specifically for the cultivation of and culture bacteria and of other microorganisms.  In its current configuration this system allows for the independent measurement, monitoring and control of the feed gases, pH, pO2, and temperature in each of its two fermentation vessels.  

 

Large volume anaerobic chambers with O2/H2 analysers

The five anaerobic chambers housed within GeoScience laboratories provide researchers with anoxic environments needed to work with easily-oxidised samples and reagents.

Microwave Digestor

Microwave Digestor

The MARS Express microwave digestor is used as an important step in the sample preparation of hard to dissolve biological, soil, and mineral samples for further analysis.

Muffle Furnace

Muffle Furnace

High temperature furnace used as a sample preparation technique and as a mineralogical tool for the high-temperature transformation of iron minerals.