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← ScienceWhich consequence occurs during accelerator mass spectrometry of carbon isotopes?
A)Molecular breakup reduces isobaric interference✓
B)Ion source output reaches saturation
C)Detector miscalibration skews isotope ratios
D)Charge exchange increases background noise
💡 Explanation
Molecular breakup enhances isotopic discrimination because bond dissociation yields neutral fragments, removing molecular isobars via fragmentation, therefore reducing interference rather than changing source output. This method improves specificity because of greater mass differences.
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