Method for introducing ions into an ion trap and an ion storage apparatus
A technology for ion introduction and ion storage, which is applied in the direction of positive/negative analyte ion analysis/introduction/generation, ion source/gun, electron/ion optical device, etc., and can solve problems such as inapplicability
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[0039] As shown in Figure 1, an ion trap mass spectrometer (MS) typically includes six components, namely: an analyte ion source 28, a reactant ion source 10 with a controllable power supply 11, an atmospheric pressure / low pressure interface 25 with a controllable voltage Transmission optics 12 of source 9 , ion trap 6 , and detector 8 .
[0040] Electrospray ionization (ESI) is a method commonly used to generate single or multiple charged ions from organic sample solutions. This type of ion source is often used as a link between a liquid chromatograph (LC) and a mass spectrometer (MS). The atmospheric pressure / low pressure interface 25 is used to pull the wet charged particles from the ESI into the vacuum chamber of the MS and dry them by a process called desolvation. This atmospheric pressure / low pressure interface can be in the form of a heated capillary / ion inlet (as shown at 1 in Figure 1), or alternatively can be in the form of multiple tapered apertures with heated gas...
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