photoionization

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Related to Photoionisation: Photoionization, Photoexcitation

photoionization

(ˌfəʊtəʊˌaɪənaɪˈzeɪʃən) or

photoionisation

(General Physics) physics the ejection of electrons from an atom, ion or molecule caused by the absorption of photons

Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014

pho•to•i•o•ni•za•tion

(ˌfoʊ toʊˌaɪ ə nəˈzeɪ ʃən)

n.

the ionization of an atom of gas through loss of a bound electron induced by absorption of a photon.

[1910–15]

Translations

fotoionizzazione

Mentioned in ?

photoionize

References in periodicals archive ?

The range includes the popular and robust ToxiRAE single gas personal detector, said to have the fastest instrument response time on the market, the EntryRAE personal gas monitor for hazardous confined space entry, a 4-gas detector that includes a photoionisation detector (PID) to monitor volatile organic compounds (VOCs), and a range of bespoke PIDs, including the MiniRAE, an advanced handheld real-time VOC detector.

Casella CEL joins forces with RAE Systems

Equipment on show at Stand H11, Hall 5 of the IOSH exhibition include the popular ToxiRAE single gas personal detector, the EntryRAE confined space entry monitor, a 4-gas detector that includes a photoionisation detector (PID) to monitor volatile organic compounds (VOCs), and a range of bespoke PIDs, including the MiniRAE, an advanced handheld real-time VOC detector.

Expanded workplace noise portfolio on show

The VOC Pro is a new ATEX & UL certified, hand held, photoionisation monitor that can quickly and accurately detect levels of total VOC's (Volatile Organic Compounds) in potentially explosive atmospheres.

'Fab four' combination of new instruments

Yves Lion of the Physics Institute of the University of Liege to help them for a few weeks in their researches on the photoionisation mechanism of the tryptophan amino-acid with the powerful EPR spectrometer.