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Adjustable device used for extractive electrospray ionization source

A technology of electrospray and ionization source, applied in the direction of measuring device, ion source/gun, particle separator tube parts, etc., can solve the problems of inability to accurately and quantitatively describe specific parameters, poor stability of EESI source, complex structure, etc., to achieve It is convenient to observe and control the test process, simplify the structure and widen the field of view

Active Publication Date: 2014-08-27
江西正谱奕和科技有限公司
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Problems solved by technology

[0005] In order to overcome the disadvantages of existing ion source devices such as inapplicability to EESI-MS technology, complex structure, high price, poor stability of EESI source assembled in the laboratory, and inability to describe specific parameters accurately and quantitatively, the present invention provides an electrospray extraction ionization source adjustable device, which can precisely and quantitatively adjust the angle α between the nozzle of the sample channel and the inlet of the mass spectrometer, the distance a between the nozzle of the sample channel and the inlet of the mass spectrometer, and the angle β between the nozzle of the electrospray channel and the nozzle of the sample channel , The distance b between the spray head of the electrospray channel and the nozzle of the sample channel is suitable for studying the relationship between these parameters and signal strength, and it is easy to use, high in stability, good in comprehensive performance, and low in cost

Method used

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  • Adjustable device used for extractive electrospray ionization source
  • Adjustable device used for extractive electrospray ionization source
  • Adjustable device used for extractive electrospray ionization source

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Embodiment Construction

[0033] The specific embodiment of the present invention is illustrated below in conjunction with accompanying drawing, among the figure identical structure and the device of function have been marked with identical reference numeral, accompanying drawing is only used to help explain the present invention, does not represent the limitation of the scope of the present invention, Also, the drawings are not drawn to scale.

[0034] Such as figure 2 , 3 As shown, the device is connected to the inlet 9 of the mass spectrometer through a universal interface 8, so that the main body of the device is located at the front and lower side of the inlet of the mass spectrometer. The universal interface 8 is an outer square inner circular interface, which is fixed to the mass spectrometer inlet 9 by positioning pins and locking mechanisms on the side; there is a channel in the middle that communicates with the mass spectrometer inlet 9; There is a connecting groove, which is connected to ...

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Abstract

The invention discloses an adjustable device used for an extractive electrospray ionization source. The adjustable device mainly includes a universal interface device, a base, a Y-direction adjustment device, an electrospray channel nozzle parameter adjustment device, and a sample channel nozzle parameter adjustment device. The Y-direction adjustment device is capable of adjusting the heights of an electrospray channel nozzle and a sample channel nozzle. The sample channel nozzle parameter adjustment device and the electrospray channel nozzle parameter adjustment device are capable of adjusting an angle Alpha of the sample channel nozzle and a mass spectrometer sample inlet port, a distance a between the sample channel nozzle and the mass spectrometer sample inlet port, an angle Beta between the electrospray channel nozzle and the sample channel nozzle and a distance b between the electrospray channel nozzle and the sample channel nozzle. The device is applicable to researches of a relation between specific parameters and a signal intensity in a mass spectrometry technology of different forms of samples such as liquid, aerosol, solid surface and viscous samples and the like and particularly suitable for real-time online monitoring of liquid samples.

Description

technical field [0001] The invention relates to an electrospray extraction ionization source device, in particular to an adjustable device for electrospray extraction ionization source, which can be used to study the relationship between specific parameters and signal intensity in electrospray extraction ionization source mass spectrometry analysis technology. Background technique [0002] Electrospray extraction ionization mass spectrometry (Extractive ElectroSpray Ionization-Mass Spectrometry, EESI-MS) is a modern ionization mass spectrometry technology developed on the basis of electrospray ionization (ESI) and electrospray desorption ionization (DESI). The relative molecular mass and structural information of the analyte can be obtained by complex pretreatment of the sample. It has become a research hotspot in recent years and has been widely used in the analysis of different forms of samples such as liquids, aerosols, solid surfaces, and viscous samples. It is especially...

Claims

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Application Information

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IPC IPC(8): H01J49/16H01J49/26G01N27/64
Inventor 董晓峰顾海巍许柠陈焕文
Owner 江西正谱奕和科技有限公司
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