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arXiv · 1211.1448

An rf-carpet electrospray ion source to provide isobaric mass calibrants for trans-uranium elements

S. Naimi·S. Nakamura·Y. Ito·H. Mita·K. Okada·A. Ozawa·P. Schury·T. Sonoda·A. Takamine·M. Wada·H. Wollnik
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Abstract

For trans-uranium elements, stable atomic isobars do not exist. In order to provide isobaric reference ions for the mass measurement of trans-uranium elements, an electrospray ion source (ESI) was combined with an rf-carpet to collect molecular ions efficiently. The rf-carpet allows for simplification of the pumping system to transport ions from the ESI to a precision mass analyzer. Molecular ions appropriate for isobaric references of trans-uranium elements were extracted from the rf-carpet and analyzed by a multi-reflection time-of-flight mass spectrograph (MRTOF-MS) with a resolving power of $\rm{R_m} \gtrsim100,000$.

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S. Naimi, S. Nakamura, Y. Ito, H. Mita, K. Okada, A. Ozawa, P. Schury, T. Sonoda, A. Takamine, M. Wada, H. Wollnik. 2012-11-07. An rf-carpet electrospray ion source to provide isobaric mass calibrants for trans-uranium elements. https://doi.org/10.1016/j.ijms.2012.12.009

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