photoionization

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Related to Photoionisation: Photoionization, Photoexcitation

photoionization

(ˌfəʊtəʊˌaɪənaɪˈzeɪʃən) or

photoionisation

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

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]
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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.
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.
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.
Stirrers, hall crane, photoionisation system, creosilo / plant, conversion of the grease scavenging system, 350m stainless steel pipeline DN 100-700 as well as 40m exhaust pipes PE 80, metal covers incl , Separation bay and 2 pools in the fixed bed.
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.
The range includes deuterium, hollow cathode, photoionisation, xenon, mercury, VUV, tungsten halogen, and calibration lamps and their associated power supplies.