Analyses
Inorganic geochemistry lab
We have a number of analytical techniques available:
- ICP-MS (Inductively Coupled Plasma Mass Spectrometry)
- GC-MS (Gas Chromatography Mass Spectrometry)
- EA-IRMS (Elemental Analyzer Isotope Ratio Mass Spectrometry)
- ICP-AES (Inductively Coupled Plasma Atomic Emission Spectrometry
- AAS (Atomic Absorption Spectroscopy)
- TGA (thermogravimetric analysis)
- NanoSIMS
Sample preparation
- Moisture/ash content or weight-loss by TGA
- Preparation SEM / microprobe: thin and polished sections
- Preparation XRF: pressed powder pellets and pearls
- Freeze dry facilities
- Soxhlett extraction, Flash column chromatography
- Pyrolysis
Inorganic analysis
- Ion Chromatography (IC): measurement of anions (phosphate, nitrate, nitrite, sulfate, bromide, fluoride, chloride) in water
- Auto Analyzer (AA): measurement ammonium, nitrate, nitrite, phosphate, silica, bisulfide, iron (Fe(II) using an automated spectroscopic method
- Sulfide, SxOy, thiosulphate, ferro, ferri by polarography
- Carbonate, (dissolved/total) inorganic carbon and alkalinity
- Dissolved/total organic carbon (DOC, TOC)
- Acidity (pH), redox potential (Eh), conductivity (Ec)
- Elements and trace elements using XRF, ICP-MS, ICP-OES
- Particle size (Malvern)
Organic analysis
- Elemental analyzer: measurement of Organic element analysis (C, H, O, Cl) by MS
- Total/organic C, N and S by Combustion/Infrared Detection
- Fatty acids by anion chromatography (IC)
- Biomarkers by GC-MS (SIM mode)
Isotope analysis
- Compound specific carbon and hydrogen Stable Isotope Analysis by GC-IRMS
- Stable Isotopes of S, C, N, O, Cl in various matrices by IRMS and EA-IRMS
- Stable isotopes in gases by Dual-Inlet-IRMS
(Semi)quantitative surface analysis
- X-ray Diffraction (XRD)
- m-X-ray Fluorescence Spectroscopy (m-XRF)
- Laser Ablation Inductive Coupled Plasma Mass Spectrometry (LA-ICP-MS)
- Microprobe
- NanoSIMS