LTQ Orbitrap XL

  • Large MS Instruments
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LTQ Orbitrap XL (Thermo Scientific) ) is a hybrid FT mass spectrometer combines a linear ion trap MS and the Orbitrap mass analyzer. Ions generated by API (APCI, ESI, nanoESI) are collected in the LTQ XL followed by axial ejection to the C-shaped storage trap, which is used to store and collisionally cool ions before injection into the orbitral trap. Excellent mass accuracy and its stability are the key features of this instrument. LTQ Orbitrap XL can be coupled to UHPLC system for LC/MS applications. In our lab, the instrument is mainly used for determination of elemental composition of organic compounds and modified biomolecules based on accurate mass measurement. The instrument was installed in January 2008.

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