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Fig. 8 | EPJ Techniques and Instrumentation

Fig. 8

From: Design and characterization of a linear quadrupole ion trap for high-resolution Coulomb-crystal time-of-flight mass spectrometry

Fig. 8

a Plot of Ca + Coulomb crystal size versus the integrated MCP signal. The TOF-MS was operated in low-resolution mode. The crystal sizes were determined from images of the crystals. Each data point is the average of 5 experiments and the error bars give the standard deviation (1 σ). b Plot of Ca + Coulomb crystal size versus the integrated MCP signal for the TOF-MS operated in high-resolution mode using the post-ejection-acceleration. Each data point is the average of 8-10 experiments and the error bars give the standard deviation (1 σ). c Pseudo-first order rate measurements for the reaction of Ca + with N2O at different N2O pressures. The plot showing the reduction of Ca + ions as a function of the reaction time at different N2O partial pressures as measured with the TOF (see text for details). Each data point is an average of at least 5 measurements with the exception of the background measurement (3 experiments per point). The error bars give the standard deviation (1 σ)

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