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- a211773e-5959-40dc-8b33-f7d5880d57f3 definition "Particle Analysis by Laser Mass Spectrometry (PALMS) is a laser ionization mass spectrometer which makes in-situ measurements of the chemical composition of individual aerosol particles. Aerosols are brought into a vacuum system and individual particles are detected by light scattered as they cross the beam of a continuous laser. The scattered light signal gives a rough indication of the size of the particle and provides a trigger for an excimer laser (193nm), which is pulsed so its beam hits the particle to ionize molecules and atoms. These ions are analyzed with a time of flight mass spectrometer to provide a complete mass spectrum from each particle. The instrument is capable of measuring particles from 0.2 to 3 microns in diameter. Analysis is complete less then 1 millisecond after the aerosols enter the inlet. The instrument can acquire either positive or negative ion spectra." @default.
- a211773e-5959-40dc-8b33-f7d5880d57f3 id "1655221" @default.
- a211773e-5959-40dc-8b33-f7d5880d57f3 path_id 46238695-5577-4fad-91bf-0a2fdf8a9b19 @default.
- a211773e-5959-40dc-8b33-f7d5880d57f3 path_id 6015ef7b-f3bd-49e1-9193-cc23db566b69 @default.
- a211773e-5959-40dc-8b33-f7d5880d57f3 path_id 93e67fc7-3a57-4cf0-a0f9-7f76cded167c @default.
- a211773e-5959-40dc-8b33-f7d5880d57f3 path_id b2140059-b3ca-415c-b0a7-3e142783ffe8 @default.
- a211773e-5959-40dc-8b33-f7d5880d57f3 path_id c8fe757b-b530-4d67-a553-e4903f4430a5 @default.
- a211773e-5959-40dc-8b33-f7d5880d57f3 path_label "Active Remote Sensing" @default.
- a211773e-5959-40dc-8b33-f7d5880d57f3 path_label "Earth Remote Sensing Instruments" @default.
- a211773e-5959-40dc-8b33-f7d5880d57f3 path_label "Instruments" @default.
- a211773e-5959-40dc-8b33-f7d5880d57f3 path_label "Lidar/Laser Spectrometers" @default.
- a211773e-5959-40dc-8b33-f7d5880d57f3 path_label "Spectrometers/Radiometers" @default.
- a211773e-5959-40dc-8b33-f7d5880d57f3 prefLabel "PALMS" @default.
- a211773e-5959-40dc-8b33-f7d5880d57f3 reference "" @default.
- a211773e-5959-40dc-8b33-f7d5880d57f3 tag "Instruments" @default.