An rf-carpet electrospray ion source to provide isobaric mass calibrants for trans-uranium elements
An rf-carpet electrospray ion source to provide isobaric mass calibrants for trans-uranium elements
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DOI：
10.1016/j.ijms.2012.12.009
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发表时间：
2013-03-01
影响因子：
1.8
通讯作者：
Wollnik, H.
中科院分区：
文献类型：
--
作者：
Naimi, S.;Nakamura, S.;Wollnik, H.
对于反式铀元素，不存在稳定的原子同量异位素。为了给反式铀元素的质量测量提供同量异位素参考离子，将电喷雾离子源（ESI）与射频地毯相结合，有效地收集分子离子。射频毯允许简化泵送系统，以将离子从ESI传输到精密质量分析仪。从if-地毯中提取适合于反式铀元素的等压参考的分子离子，并通过分辨率大于或接近100，000的R-m的多反射飞行时间质谱仪（MRTOF-MS）进行分析。(C)2012 Elsevier B. V.保留所有权利。
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 if-carpet and analyzed by a multi-reflection time-of-flight mass spectrograph (MRTOF-MS) with a resolving power of R-m greater than or similar to 100, 000. (C) 2012 Elsevier B.V. All rights reserved.