Mass spectrometer

Details Mass spectrometer Mass spectrometer

2007-02-27

2007-02-27

Wells, Nikita (Department: 2881)

Radiant energy

Ionic separation or analysis

Ion beam pulsing means with detector synchronizing means

C250S292000, C250S281000, C250S282000, C250S283000, C250S286000

Reexamination Certificate

active

11062720

ABSTRACT:
A mass spectrometer has an ionizing portion for ionizing a sample, a mass spectrometric portion for subjecting a sample ion to mass separation and detecting the sample ion and a control portion for controlling operation of a total of the apparatus. The mass spectrometer is provided with a colliding portion provided at an ion path until a sample ion generated by the ionizing portion is introduced to amass spectrometric portion and a gas introducing portion for introducing one kind or more of gases selected from two kinds or more of gases into the colliding portion. By carrying out analysis by using the apparatus, highly accurate mass spectrometry can be carried out.

REFERENCES:
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patent: 5202563 (1993-04-01), Cotter et al.
patent: 6390115 (2002-05-01), Rohwer et al.
patent: 6888134 (2005-05-01), Hashimoto et al.
patent: 2004/0119015 (2004-06-01), Hashimoto et al.
patent: 2004/0222369 (2004-11-01), Makarov et al.
patent: 2005/0116162 (2005-06-01), Vestal
patent: 2005/0274902 (2005-12-01), Weiss
patent: 184349 (2002-06-01), None

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