Low pressure electrospray ionization system and process for...

Details Low pressure electrospray ionization system and process for... Low pressure electrospray ionization system and process for...

H - Electricity

01

J

H01J 49/16 (2006.01) H01J 49/06 (2006.01)

Patent

CA 2696115

A system and method are disclosed that provide up to complete transmission of ions between coupled stages with low effective ion losses. A novel 'interfaceless' electrospray ionization system is further described that operates the electrospray at a reduced pressure such that standard electrospray sample solutions can be directly sprayed nito an electrodynamic ion funnel which provides ion focusing and transmission of ions into a mass analyzer.

L'invention concerne un système et un procédé, lesquels procurent une transmission complète d'ions entre des étages couplés avec de faibles pertes effectives d'ions. Un système novateur d'ionisation par pulvérisation électrostatique 'sans interface' est en outre concerné, lequel met en fonction le pulvérisation électrostatique à une pression réduite de telle sorte que des solutions échantillon de pulvérisation électrostatique standard puissent être directement pulvérisées dans un entonnoir électrodynamique d'ions qui exécute la focalisation des ions et la transmission d'ions dans un analyseur de masse.

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