On 1 July 2025, NIWA merged with GNS Science to become Earth Sciences New Zealand.

Mass Spectrometry techniques and measurements

A wide range of mass spectrometry techniques and measurements are available for air, carbon dioxide, carbon monoxide, nitrous oxide, water, carbonates, organics, and other specific isotopes.

[MD] indicates that methods development is required before this method is available to clients
  Analysis Instrument Peripheral Contact Person
Air δ13C of CO2 in air MAT-252 GC-IRMS Gordon Brailsford
  δ13C of CO2 in air Delta V Plus Gasbench II & Precon [MD] Sarah Bury
  δ18O of CO2 in air MAT-252 GC-IRMS Gordon Brailsford
  δ18O of CO2 in air  Delta V Plus Gasbench II & Precon [MD] Sarah Bury
  δ13C of CH4 in air MAT-252 GC-IRMS Gordon Brailsford
  δ13C of CH4 in air Delta V Plus Gasbench II & Precon Sarah Bury
  δ2H of CH4 in air Delta V Plus Gasbench II & Precon [MD] Sarah Bury
  δ15N of N2 in air Delta V Plus Gasbench II & Precon Sarah Bury
  δ15N of N2O in air Delta V Plus Gasbench II & Precon Sarah Bury
  δ18O of N2O in air Delta V Plus Gasbench II & Precon [MD] Sarah Bury
  δ18O of O2 in air Delta V Plus Gasbench II [MD] Sarah Bury
         
Carbon Dioxide δ13C of CO2 MAT-253 Dual Inlet Gordon Brailsford
  δ18O of CO2 MAT-253 Dual Inlet Gordon Brailsford
         
Carbon Monoxide δ13C of CO MAT-252 Dual Inlet Gordon Brailsford
         
Nitrous Oxide δ15N of N2O Delta V Plus Gasbench II & Precon Sarah Bury
  δ18O of N2O Delta V Plus Gasbench II & Precon [MD] Sarah Bury
         
Water δ2H of water Delta V Plus Gasbench II/TCEA Sarah Bury
  δ18O of water Delta V Plus Gasbench II/TCEA Sarah Bury
  δ18O of dissolved oxygen in water Delta V Plus Gasbench II [MD] Sarah Bury
  δ13C of DIC* Delta V Plus Gasbench II Sarah Bury
δ13C of dissolved CH4 Delta V Plus Gasbench II Sarah Bury
  δ15N of dissolved N2 in water Delta V Plus Gasbench II Sarah Bury
  δ15N of dissolved N2O in water Delta V Plus Gasbench II Sarah Bury
         
Carbonates δ13C of carbonate MAT 253 Kiel IV Josette Delgado
  δ13C of carbonate Delta V Plus Gasbench II Sarah Bury
  δ18O of carbonate MAT 253 Kiel IV Josette Delgado
  δ18O of carbonate Delta V Plus Gasbench II Sarah Bury
         
Organics (tissue, filters, sediment) δ13C of organics Delta Plus/ Delta V Plus NA1500/ Flash 2000 EA Sarah Bury
  δ15N of organics Delta Plus/ Delta V Plus NA1500/ Flash 2000 EA Sarah Bury
  δ34S of organics Delta Plus/ Delta V Plus NA1500/ Flash 2000 EA [MD] Sarah Bury
  δ18O of organics Delta V Plus TCEA Sarah Bury
  δ2H of organics Delta V Plus TCEA Sarah Bury
         
Compound Specific Isotope Analysis δ15N of Amino Acids Delta V Plus GC-Isolink Sarah Bury
  δ13C of Amino Acids Delta V Plus GC-Isolink Sarah Bury
  δ13C of Fatty Acids Delta V Plus GC-Isolink Sarah Bury
  δ13C, δ15N or δ2H of additional compounds Delta V Plus GC-Isolink [MD] Sarah Bury
* DIC dissolved inorganic carbon

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