In order to verify that measurements of the 15N2 atom% of dissolved N2 gas samples effectuated by Membrane Inlet Mass Spectrometry are accurate, we compared these to corresponding measurements of parallel samples on a Delta V Isotope Ratio Mass Spectrometer (IRMS). To this end, we first ensured that the IRMS returns accurate 15N2 atom% values, by measuring the 15N2 atom% of a serial dilutions of a 15N2 gas stock in air and helium. This calibration is documented herein, showing that IRMS measurem...
Show moreMeasurements of the 15N2 atom % in prepared standards and solutions.
Granger, J., Bourbonnais, A., Wilson, S. (2019) Calibration of the Isotope Ratio Mass Spectrometer vs. aliquots of 15N2 gas diluted in air then helium. Biological and Chemical Oceanography Data Management Office (BCO-DMO). (Version 1) Version Date 2019-10-02 [if applicable, indicate subset used]. doi:10.1575/1912/bco-dmo.778000.1 [access date]
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