Neutral desorption apparatus and neutral desorption extractive electrospray lonization mass spectrometry method
A neutral desorption and electrospray technology, applied in the field of analytical chemistry, can solve the problem of inability to analyze complex samples online, and achieve the effects of in-situ rapid analysis, high sensitivity and convenient use.
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[0034] The composition and working principle of the neutral desorption device of the present invention will be described in detail below with reference to the accompanying drawings.
[0035] figure 1 , figure 2 The basic composition and working principle of the neutral desorption device system of the present invention are shown. In mass spectrometry analysis, the neutral desorption device is used as a sample introduction system. It mainly includes an air inlet pipe I and a sample output pipe II. Both the air inlet pipe I and the sample output pipe II are capillary tubes. The two capillary tubes are placed diagonally and fixed on In frame 1, the outlet of the inlet pipe I is close to the inlet of the sample output pipe II and extends out of the frame. The angle between the inlet pipe I and the sample output pipe II is 45-150°. The position and angle of the two capillary tubes are placed. It can be adjusted by the spring 11 and the bolt 12 provided in the frame 1; the inlet of th...
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