Ionization source for mass spectrometer

G - Physics – 01 – N

Patent

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G01N 1/28 (2006.01) H01J 49/10 (2006.01)

Patent

CA 2508049

An apparatus and method for regenerating ion samples for a mass spectrometer are provided. Source samples are loaded on a support which is heated by a laser beam, desorbing the sample without ionization. The desorbed sample is carried by a carrier gas flow through a transfer tube, at the output of which it is ionized by corona discharge or photo-ionization. The obtained ionized sample may be analyzed in a mass spectrometer or used to serve any other appropriate purpose.

Appareil et méthode de régénération d'échantillons d'ions pour un spectromètre de masse. Les échantillons de la source sont chargés sur un support qui est chauffé au moyen d'un faisceau laser, ce qui désorbe l'échantillon sans ionisation. L'échantillon désorbé est porté par un gaz porteur dans un tube de transfert, à la sortie duquel il est ionisé par une décharge d'effluve ou par photo-ionisation. L'échantillon ionisé ainsi obtenu peut être analysé dans un spectromètre de masse ou être utilisé pour servir dans toute autre intention.

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