Elemental and isotopic measurements and analysis of natural geomaterials

At the GISMO Facility, all the equipment is at the cutting edge of technology. We can offer organic and inorganic sample preparation, and analysis in two areas: (1) elemental and isotopic geochemistry and (2) X-ray diffraction of natural materials.

Equipment for sample preparation and storage
Centrifugeuse très haute vitesse IMGP3235
  • Grinding materials for sediments, soils and plant materials:
    Retsch Grinder (6 units RM100 /2xRM200 /RS200 /MM2000 /SM100),
    IKA MF 10
  • Freeze dryer (Heto FD3)
  • High-speed centrifuge (Beckman, Avanti J-25)
  • Centrifuges (Thermo Heraeus Megafuge 16 and Megafuge 40)
  • Water purification systems (Millipore, Direct Q3 UV & Direct 8)
  • Micro-scales (Sartorius M2P, Mettler Toledo XS3DU)
1 – Elemental and isotopic Geochemistry
Preparation for specific geochemical analyses
P1030823 Contact
Emmanuelle Pucéat
Olivier Mathieu
  • Sulphur extraction line by distillation
  • ASE
    Accelerated solvent extractor (ASE 200 system, Dionex)
    Extraction of soil organic compounds
  • PLFA (Phospholipid fatty acids) and lignin extraction line

White room

  • Preparative chemistry for major and trace element analysis in the matrix (silicate and/or carbonate)
  • Purification of neodymium and hafnium radiogenic isotopes
Natural water analysis
Dionex Contact
Philippe Amiotte-Suchet
Olivier Mathieu
  • TOC
    TOC analyser (Shimadzu, TOC 5000A/ASI 5000A)
    Total organic carbon measurement
    Ion chromatography (Dionex, DX100/ICS1500/AS40)
    Major element measurement (cations/anions)
Gas analysis by chromatography (i.e. CO2, N2, O2, N2O, CH4)
GC analyses Contact
Olivier Mathieu
  • Hydrogen generator (Parker, H2PEM-165)
  • Gas standard preparation system (GasMix AlyTech)
  • GC
    Gas chromatography
    ((1) Agilent HP 7890A/G1888 and (2) Agilent HP7890B/7697A-PlasmaDatek2)
    Atmospheric gas concentration measurement
Analysis of elemental contents and natural or enriched isotopic abundances (i.e. D/H, 13C/12C, 15N/14N, 18O/16O, 34S/32S)
    Elemental analyser (VarioMicro Cube, Elementar) linked to an isotopic-ratio mass spectrometer (Isoprime, Elementar)
    Measurement of H, C and N contents
    Measurement of δ13C and δ15N isotopic compositions
    Trace gas analyser (Micromass) linked to an isotopic-ratio mass spectrometer (Isoprime, Elementar)
    Measurement of atmospheric gas isotopic compositions
    Gas chromatography (Trace 1310 – Thermo Scientific) linked to a combustion unit (GC Isolink II – Thermo Scientific) and an isotopic-ratio mass spectrometer (Delta V Advantage – Thermo Scientific)
    Molecular characterisation of specific organic compounds
    Measurement of δ13C and δ15N in organic compounds

TG Contact
Olivier Mathieu
Anne-Lise Santoni
  • Pyro-IRMS
    Pyrolyzer (VarioPyro Cube, Elementar) linked to an isotopic-ratio mass spectrometer (Isoprime, Elementar)
    Measurement of O and S contents
    Measurement of δ18O and δ34S in organic and inorganic compounds
  • Dual Inlet-IRMS
    Dual-Inlet interface (Isoprime, Elementar), Multiprep/Aquaprep system linked to an isotopic-ratio mass spectrometer (Isoprime, Elementar)
    Measurement of isotopic compositions:
    – inorganic δ13C and δ18O of carbonates
    KIEL IV Carbonate Device (Thermo Scientific) linked to an isotopic-ratio mass spectrometer (Delta V Plus, Thermo Scientific)
    Measurement of δ13C and δ18O in carbonates
Equipment IRMS-PyroBill-02 Contact
Emmanuelle Pucéat
Théophile Cocquerez
Olivier Mathieu
2 – XR diffractometry of natural materials
Natural material analysis
Ludovic Bruneau
Olivier Mathieu
  • XRD
    X ray diffractometer (D4, Endeavor, Brucker AXS)
    Characterisation and semi-quantification of clay/mineral species in rocks, soils and sediments

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