The finnigan mat 253 stable isotope ratio mass spectrometer system delivers the highest precision for the determination of d h 13c 12c 15n 14n 18o 16o 34s 32s from so2 and sf6 28si 29si as well as ar kr and xe isotope ratios. Utilize the new gold standard in irms. 2 734 363 méthode de mesure de la teneur en 18o et ou 15n d une substance chimique appareillage et dispositif de pyrolyse.
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