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Isotope-ratio-monitoring of O 2 for microanalysis of 18O/ 16O and 17O/ 16O in geological materials

Isotope-ratio-monitoring of O 2 for microanalysis of 18O/ 16O and 17O/ 16O in geological materials,10.1016/S0016-7037(98)00215-4,Geochimica Et Cosmoch

Isotope-ratio-monitoring of O 2 for microanalysis of 18O/ 16O and 17O/ 16O in geological materials   (Citations: 10)
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Experiments were performed to test the viability of using isotope-ratio-monitoring gas-chromatography mass spectrometry (irm-GCMS) as a means for isotopic analysis of nanomole quantities of O2 released in a vacuum system suitable for laser extraction and fluorination. Several sources of error were identified and eliminated, including false signals from extraneous scattered ions and adsorption of O2 to metal surfaces. Results show that with appropriate attention to these potential impediments, coupling high-precision irm-GCMS to laser sampling of microgram quantities of silicate and oxide minerals is feasible.
Journal: Geochimica Et Cosmochimica Acta - GEOCHIM COSMOCHIM ACTA , vol. 62, no. 18, pp. 3087-3094, 1998
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