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Application of spectrometry isotope dilution mass (IDMS) to trace anayisis Study determination of molybdenum in a certified reference materia

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Academic year: 2020

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Figure

Figure 1. Basis of isotope dilution for an item that contains two isotopes (a and b).
Figure 3. ICP-MS spectrum of a reagent blank and a standard Se using H 2  as the reaction gas in a collision cell
Figure 4. Isotope ratio  77 Se/  80 Se to different concentrations of Se for calculating the dead time of the detector
Figure 5. Curve magnification error for a tracer isotope  57 Fe-enriched to 92,45%.
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