A pulsed discharge ionization detector (pulsed discharge detector) is a detector for gas chromatography that utilizes a stable, low powered, pulsed DC...
3 KB (422 words) - 16:44, 20 February 2019
Gas chromatography (redirect from Thermionic ionization detector)
detector (IRD), photo-ionization detector (PID), pulsed discharge ionization detector (PDD), and thermionic ionization detector (TID). The method is the collection...
38 KB (5,022 words) - 12:47, 13 July 2025
Ion source (redirect from Atmospheric pressure ionization)
Electron ionization is widely used in mass spectrometry, particularly for organic molecules. The gas phase reaction producing electron ionization is M +...
58 KB (7,158 words) - 09:28, 18 July 2025
vacuum phototubes. Townsend avalanche discharges are fundamental to the operation of gaseous ionisation detectors such as the Geiger–Müller tube and the...
16 KB (2,102 words) - 16:06, 25 May 2025
examples of gas ionization occur within a fluorescent lamp or other electrical discharge lamps. It is also used in radiation detectors such as the Geiger-Müller...
50 KB (6,846 words) - 11:11, 30 June 2025
Geiger counter (redirect from Radiac detector)
ionization. The ionization is considerably amplified within the tube by the Townsend discharge effect to produce an easily measured detection pulse,...
24 KB (2,925 words) - 22:19, 7 June 2025
Gas-filled tube (redirect from Discharge tube)
of xenon ionization occurs by collision with excited atoms of the other noble gas; at more than few percents of xenon, the discharge ionizes xenon directly...
27 KB (3,363 words) - 16:51, 1 March 2025
A lightning detector is a device that detects lightning produced by thunderstorms. There are three primary types of detectors: ground-based systems using...
27 KB (3,305 words) - 04:05, 26 May 2025
Geiger–Müller tube (category Particle detectors)
ionization detector and uses the Townsend avalanche phenomenon to produce an easily detectable electronic pulse from as little as a single ionizing event...
32 KB (4,361 words) - 18:17, 13 May 2025
Proportional counter (category Particle detectors)
proportional counter is a type of gaseous ionization detector device used to measure particles of ionizing radiation. The key feature is its ability to...
11 KB (1,487 words) - 17:26, 7 February 2024
Ultraviolet (redirect from Pulsed ultraviolet light)
and 280 nm. Pulsed light works with xenon flash lamps that can produce flashes several times per second. Disinfection robots use pulsed UV. The antimicrobial...
124 KB (13,410 words) - 20:12, 21 July 2025
Lightning (redirect from Lightning discharge)
"Tracking Down the Origin of Arc Plasma Science I. Early Pulsed and Oscillating Discharges". IEEE Transactions on Plasma Science. 31 (4): 1052–1059....
136 KB (14,488 words) - 14:27, 21 July 2025
in turn ionize the components Pulsed discharge ionization detector (PDD) -- similar to a Discharge ionization detector (DID), but uses a different sort...
3 KB (315 words) - 22:57, 23 May 2025
Bolometer (redirect from Thermal detector)
temperature. The intrinsic thermal time constant, which sets the speed of the detector, is equal to the ratio of the heat capacity of the absorptive element to...
19 KB (2,135 words) - 20:03, 20 March 2025
Scintillator (redirect from Scintillation detector)
the ultra-violet of the discharge into visible light. Scintillation detectors are also used in the petroleum industry as detectors for Gamma Ray logs. There...
68 KB (8,029 words) - 16:36, 12 June 2025
Ion mobility spectrometry (redirect from Differential mobility detector)
atmospheric-pressure chemical ionization (R-APCI) source, e.g. a small piece of 63Ni or 241Am, similar to the one used in ionization smoke detectors. ESI and MALDI techniques...
36 KB (4,536 words) - 18:05, 16 April 2025
the molecules are dissociated into free atoms, and ionization where (depending on the ionization potential of the analyte atoms and the energy available...
31 KB (4,292 words) - 13:52, 9 July 2025
multiplication occurs when the gas becomes ionized, producing a phenomenon known as a Townsend discharge. Gases used include mercury vapor, xenon, neon...
13 KB (1,482 words) - 00:59, 14 May 2025
Rectifier (section Crystal detector)
galena (lead sulfide) to serve as a point-contact rectifier or "crystal detector". Rectifiers have many uses, but are often found serving as components...
64 KB (8,998 words) - 02:36, 16 July 2025
other types of mass spectrometry, such as thermal ionization mass spectrometry (TIMS) and glow discharge mass spectrometry (GD-MS), ICP-MS introduces many...
47 KB (6,585 words) - 03:39, 16 January 2025
Cold cathode (redirect from Cold cathode ionization gauge)
contain a source of beta radiation to start ionization of the gas that fills the tube. In some tubes, glow discharge around the cathode is usually minimized;...
12 KB (1,507 words) - 19:19, 24 June 2025
Diode (section Ionizing radiation detectors)
sources of ionizing radiation cause noise pulses and single and multiple bit errors. This effect is sometimes exploited by particle detectors to detect...
64 KB (7,373 words) - 20:54, 27 June 2025
UV radiation from excited helium molecules is used in the pulsed discharge ionization detector (PDHID) which is capable of detecting the contents of mixed...
35 KB (4,056 words) - 17:30, 16 July 2025
Pressure measurement (redirect from Ionization gauge)
spectrometer must be used in conjunction with the ionization gauge for accurate measurement. A hot-cathode ionization gauge is composed mainly of three electrodes...
76 KB (10,176 words) - 05:36, 26 May 2025
electron beam can be "chopped" into nano- or pico-second pulses by a beam-blanker or with a pulsed electron source. These advanced techniques are useful...
14 KB (1,576 words) - 18:35, 24 October 2024
Spark ionization (also known as spark source ionization) is a method used to produce gas phase ions from a solid sample. The prepared solid sample is...
9 KB (1,067 words) - 16:24, 20 April 2024
fragile and fragment when ionized by more conventional ionization methods. It is most similar in character to electrospray ionization both in relative softness...
25 KB (2,961 words) - 19:21, 7 May 2025
Single-photon avalanche diode (category Particle detectors)
further photon arrivals. Any photons, (or dark counts or after-pulses), that reach the detector during this brief period are not counted. As the number of...
44 KB (6,277 words) - 23:51, 23 May 2025
detector, and a conveyor system for moving baggage into the system. Portable pulsed X-ray Battery Powered X-ray Generator used in Security as shown in the figure...
16 KB (2,028 words) - 06:48, 21 July 2025