Atmospheric pressure photoionization
From Mass Spec Terms
| DRAFT DEFINITION | 
| Atmospheric pressure photoionization | 
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| This term refers to photo-ionization and subsequent atmospheric pressure chemical ionization that takes place at atmospheric pressure as opposed to the reduced pressure is normally used for the ionization region of photo-ionization. See also atmospheric pressure chemical ionization and photo-ionization. 
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| Considered between 2004 and 2006 but not included in the 2006 PAC submission | 
| This is an unofficial draft definition presented for information and comment. | 
