Device and method for introduction of sample supports into a mas

Details Device and method for introduction of sample supports into a mas Device and method for introduction of sample supports into a mas

1997-07-10

1998-11-24

Nguyen, Kiet T.

Radiant energy

Ionic separation or analysis

With sample supply means

H01J 4704

Patent

active

058411364

ABSTRACT:
A system and a method for the introduction of sample supports, which hold large numbers of analysis samples, into the ion source region of a mass spectrometer. The sample supports are especially intended for the ionization method using matrix-assisted desorption through laser bombardment (MALDI). The system consists of using an evacuable, sealable and removable cassette which, instead of using a through-passage lock chamber with two lock valves, can be attached in a simple manner to the entrance opening for the ion source of the mass spectrometer. Only the entrance opening has a lock valve, and the expensive second lock valve in the lock chamber is no longer needed. The cassette can also be used for protected transport and for storage of the sample supports, and in particular for storage of the samples under protective gas or vacuum.

REFERENCES:
patent: 4076982 (1978-02-01), Ritter et al.
patent: 4594506 (1986-06-01), Ghaderi
patent: 5037611 (1991-08-01), Ledford, Jr.
patent: 5498545 (1996-03-01), Vestal

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