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Fig. 2

image

Measured signal averaged over 87 co-added 20s spectra and detected species on m/z 44 u/e, 45 u/e, and 46 u/e. The circles show the measured points on the detector, while the dashed lines are the fit of the according peak fits. The solid line represents the sum of all fits. Error bars represent the uncertainty due to counting statistics ().

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