Isotope and Organic Geochemistry Laboratory

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Laboratory Manager: Dr. Junhong Chen
Telephone: +61 2 6249 9202

Summary

The Isotope and Organic Geochemistry Laboratory supports a range of research activities which contribute to improved understanding of Australia's petroleum resources. The research results are recorded in various databases and published in specialist reports. When applied by government agencies and exploration companies the results aid risk assessment and promotes exploratory investment; particularly in Australia's offshore jurisdiction. The laboratory also contributes to research in: marine environmental geoscience; investigating the extent of human impact on the coastal zone; carbon capture and storage and development of techniques in isotopic and organic geochemistry.

Equipment, Capabilities and Services:

The Isotope and Organic Geochemistry Laboratory is equipped with a range of modern analytical instruments, including:

Agilent Mass Spectrometer 5975C MSD interfaced to a gas chromatograph GC 7890A
This new model GC/MS instrument is used to analyse the organic compounds occurring in the crude oils and sediments and other samples. Enhanced sensitivity and capability of simultaneously scanning in full-scan and SIR modes enables to identify and quantify organic compounds more efficiently, especially low concentration biomarker compounds.

Agilent Mass Spectrometer 5975C MSD interfaced to a gas chromatograph GC 7890A

Agilent Mass Spectrometer 5975C MSD
interfaced to a gas chromatograph GC 7890A
© Geoscience Australia

Agilent Mass Spectrometer 5973 MSD interfaced to a gas chromatograph GC 6890
A GC/MS can be performed in either fullscan or SIR modes to identify the organic compounds occurring in the crude oils and sediments and other samples.

Agilent Mass Spectrometer 5973 MSD interfaced to a gas chromatograph GC 6890

Agilent Mass Spectrometer 5973 MSD
interfaced to a gas chromatograph GC 6890
© Geoscience Australia

Agilent gas chromatograph GC 6890 (gas only)
This GC is equipped with FID and TCD and designed for gas composition analysis.

Agilent GC 6890 for gas analysis.

Agilent GC 6890 for gas analysis
© Geoscience Australia

2 x Agilent gas chromatograph GC 6890N
These two GC’s are used for compositional analysis of organic liquid samples. One is for various fractions, including saturates and aromatics. Another is used for whole oil samples, which can be without laboratory treatment.

Agilent GC 6890N for liquid samples analysis.

Agilent GC 6890N for liquid samples analysis
© Geoscience Australia

Agilent GC 6890N with 7693 autosampler for whole oil analysis.

Agilent GC 6890N with 7693 autosampler for whole oil analysis
© Geoscience Australia

Agilent 7890A Gas Chromatograph for gas analysis This is newly purchased instrument equipped with methaniser-Flame Ionization Detector, which converts CO2 (and CO) to CH4 and hence increase in sensitivity by 100-fold. It is also equipped with Thermal Conductivity Detector (TCD), a universal detector for major components, and Electron Capture Detector (ECD) with 1000-fold increase over current detection methods.

Agilent 7890A Gas Chromatograph.

Agilent 7890A Gas Chromatograph
© Geoscience Australia

Hewlett Packard HP 6890 gas chromatograph
General use for liquid samples analysis.

Hewlett-Packard-HP-6890-gas.

Hewlett-Packard-HP-6890-gas
© Geoscience Australia

Finnigan MAT 252 isotope ratio mass spectrometer
This isotopic analytical system is equipped with Dual Inlet system, Trace GC and Flash EA (1112 Series). This instrument is currently used for GCIRMS carbon isotopic analysis for natural gases, and crude oils. A lot of organic carbon and nitrogen isotopic (and content) data have also been produced on the crude oils (fractions), kerogen, and marine and coastal sediments.  

Finnigan MAT 252 isotope ratio mass spectrometer system.

Finnigan MAT 252 isotope ratio mass spectrometer system
© Geoscience Australia

Finnigan Delta Plus XL isotope ratio mass spectrometer:
This isotopic analytical system is equipped Trace GC and Thermo Finnigan TC/EA. This instrument is currently used for hydrogen isotopic GC-IRMS analysis for natural gases, and crude oils. A lot of organic hydrogen isotopic (and content) data have also been produced on the crude oils (fractions), kerogen, and marine and coastal sediments. 

Finnigan Delta Plus XL isotope ratio mass spectrometer system.

Finnigan Delta Plus XL isotope ratio mass spectrometer system
© Geoscience Australia

Dionex ASE 200 Accelerated Solvent Extractor:
ASE 200 is a fast extraction system for soluble organic matter from powered rock samples. 

Dionex ASE 200 Accelerated Solvent Extractor
© Geoscience Australia

Rock-Eval 6
This Vinci Technology instrument is used for the analysis of kinetics, TOC content, oil generation and potential, maturity of source rocks.

Rock Eval 6.

Rock Eval 6
© Geoscience Australia

Topic contact: labs@ga.gov.au Last updated: January 30, 2014