Concept
VG SIRA 10 Isotope-Ratio Mass Spectrometer
| URI | http://vocab.nerc.ac.uk/collection/L22/current/TOOL0566/ |
|---|---|
| Within Vocab | SeaVoX Device Catalogue |
| Preferred Label | VG SIRA 10 Isotope-Ratio Mass Spectrometer |
| Definition | An Isotope-Ratio Mass Spectrometer (IRMS) which operates in dual inlet flow mode for the measurement of the isotope ratios d13C/12C, d18O/16O and d34S/32S. It is used to determine the d13C/12C of carbon in different materials (organic matter, dissolved carbon in water), d13C/12C and d18O/16O in carbonates, d18O/16O and d34S/32S in sulphates and d34S/32S in sulphides. The natural sample is processed first (e.g. combustion, acid attack, or purification) in order to obtain a directly analysable gas. The prepared gases (CO2 or SO2) are then ionised and analysed for their isotopic content by the IRMS. This model is no longer in production. |
| Broader |
L05:
mass spectrometers |
| Related |
B75:
Isoprime Ltd |
| Note | accepted |
| Deprecated | false |
| Alternative Label | VG SIRA 10 IRMS |
| Version | 1 |
| Has Current Version | http://vocab.nerc.ac.uk/collection/L22/current/TOOL0566/1/ |
| Authored On | 2012-10-22 13:48:32 |
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