Pulse field enrichment ion migration tube
A technology of ion transfer tube and pulse field, which is applied in the field of pulse field enrichment ion transfer tube, can solve the problems of electric field distortion, increase the cutting width of ion gate, etc., and achieve the effect of improving sensitivity
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[0031] like figure 1 As shown, a pulsed field enrichment ion transfer tube is a hollow cylindrical cavity, and a columnar reactive ion generating device ion source 1 and a columnar ion receiving device Faraday disk 3 are respectively arranged at both ends of the cavity; A Bradbury-Nielsen ion gate 2 is set between the ion source and the Faraday disk, and the inner part of the chamber is divided into two regions, wherein a reaction zone 4 is formed between the ion source and the ion gate, and a migration zone 5 is formed between the ion gate and the Faraday disk; The feature is that an annular pulse electrode 9 is arranged inside the reaction area, the pulse electrode is parallel to the ion gate, and a pulse field ion enrichment area 10 is formed between the pulse electrode and the ion gate.
[0032] The ion source, pulse electrode, ion gate and farad chassis are coaxially arranged in the ion transfer tube;
[0033] The ion gate is composed of a grid-shaped first gate electrod...
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