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
 AnalysisInstrumentPeripheralContact Person
Airδ13C of CO2 in airMAT-252GC-IRMSGordon Brailsford
 δ13C of CO2 in airDelta V PlusGasbench II & Precon[MD]Sarah Bury
 δ18O of CO2 in airMAT-252GC-IRMSGordon Brailsford
 δ18O of CO2 in air Delta V PlusGasbench II & Precon[MD]Sarah Bury
 δ13C of CH4 in airMAT-252GC-IRMSGordon Brailsford
 δ13C of CH4 in airDelta V PlusGasbench II & PreconSarah Bury
 δ2H of CH4 in airDelta V PlusGasbench II & Precon[MD]Sarah Bury
 δ15N of N2 in airDelta V PlusGasbench II & Precon Sarah Bury
 δ15N of N2O in airDelta V PlusGasbench II & Precon Sarah Bury
 δ18O of N2O in airDelta V PlusGasbench II & Precon[MD]Sarah Bury
 δ18O of O2 in airDelta V PlusGasbench II [MD]Sarah Bury
     
Carbon Dioxideδ13C of CO2MAT-253Dual InletGordon Brailsford
 δ18O of CO2MAT-253Dual InletGordon Brailsford
     
Carbon Monoxideδ13C of COMAT-252Dual InletGordon Brailsford
     
Nitrous Oxideδ15N of N2ODelta V PlusGasbench II & Precon Sarah Bury
 δ18O of N2ODelta V PlusGasbench II & Precon[MD]Sarah Bury
     
Waterδ2H of waterDelta V PlusGasbench II/TCEASarah Bury
 δ18O of waterDelta V PlusGasbench II/TCEASarah Bury
 δ18O of dissolved oxygen in waterDelta V PlusGasbench II[MD]Sarah Bury
 δ13C of DIC*Delta V PlusGasbench IISarah Bury
δ13C of dissolved CH4Delta V PlusGasbench IISarah Bury
 δ15N of dissolved N2 in waterDelta V PlusGasbench IISarah Bury
 δ15N of dissolved N2O in waterDelta V PlusGasbench II Sarah Bury
     
Carbonatesδ13C of carbonateMAT 253Kiel IVRahul Peethambaran
 δ13C of carbonateDelta V PlusGasbench IISarah Bury
 δ18O of carbonateMAT 253Kiel IVRahul Peethambaran
 δ18O of carbonateDelta V PlusGasbench IISarah Bury
     
Organics (tissue, filters, sediment)δ13C of organicsDelta Plus/ Delta V PlusNA1500/ Flash 2000 EASarah Bury
 δ15N of organicsDelta Plus/ Delta V PlusNA1500/ Flash 2000 EASarah Bury
 δ34S of organicsDelta Plus/ Delta V PlusNA1500/ Flash 2000 EA[MD]Sarah Bury
 δ18O of organicsDelta V PlusTCEASarah Bury
 δ2H of organicsDelta V PlusTCEASarah Bury
     
Compound Specific Isotope Analysisδ15N of Amino AcidsDelta V PlusGC-IsolinkSarah Bury
 δ13C of Amino AcidsDelta V PlusGC-IsolinkSarah Bury
 δ13C of Fatty AcidsDelta V PlusGC-IsolinkSarah Bury
 δ13C, δ15N or δ2H of additional compoundsDelta V PlusGC-Isolink[MD]Sarah Bury
* DIC dissolved inorganic carbon

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