photoionization


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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 ?
VOC Gas Meter Comprehensive Study by Type (PID (Photoionization Detector), Metal-oxide Semiconductor), Application (Environmental Site Surveying, Industrial Hygiene, HazMat/Homeland Security), Distribution Channel (Online Retail, Offline Retail), End User (Industrial Process Monitors, Environmental Monitors, Air Purification & Monitors, Leak Detectors) Players and Region - Global Market Outlook to 2024
The group bought samples of these plastic balloons from toy retailers in Divisoria, Manila and had them screened for benzene at the East Avenue Medical Center (EAMC) Poison Control Unit using a photoionization detector or PID.
Jellium model potentials for the [C.sub.60] molecule and the photoionization of endohedral atoms, A@[C.sub.60].
Ehrt, In Materials Science, Photoionization of polyvalent ions, Research Horizons, Nova Science Publishers Inc, New York, p.1 (2007).
It uses a photoionization detector to monitor the exhaust air for hundreds of compounds used in laboratories.
Screening of lake sediments for emerging contaminants by liquid chromatography atmospheric pressure photoionization and electrospray ionization coupled to high resolution mass spectrometry.
In contrast, we routinely measure 9 steroid hormones in serum by LC-MS/MS with atmospheric pressure photoionization (APPI) source, and APPI shows a substantially smaller between-individual variation for all the deuterated IS compared to APCI (Table 1).
Application of a novel metabolomic approach based on atmospheric pressure photoionization mass spectrometry using flow injection analysis for the study of Alzheimer's disease.
Shu, "Detection of sub-pptv benzene, toluene, and ethylbenzene via low-pressure photoionization mass spectrometry," Analytica Chimica Acta, vol.
[39] who proposed a mechanism for the ODC(I) [right arrow] ODC(II) transformation based on photoionization of ODC(I).
The monitoring strategy implied the use of a smart sensor network consisting of eight photoionization detectors (PIDs; LabService Analytica srl) placed at different distances around the plant as shown in Figure 3.