• Electron capture ionization is the ionization of a gas phase atom or molecule by attachment of an electron to create an ion of the form A − {\displaystyle...
    9 KB (1,123 words) - 16:42, 22 September 2024
  • of electron capture ionization. The electron affinity is positive when energy is released on electron capture. In solid state physics, the electron affinity...
    22 KB (1,468 words) - 21:34, 21 October 2024
  • Thumbnail for Ion source
    by the electron beam ion trap. Electron capture ionization (ECI) is the ionization of a gas phase atom or molecule by attachment of an electron to create...
    58 KB (7,127 words) - 06:27, 10 October 2024
  • Thumbnail for Chemical ionization
    chemistry. Reagent gas molecules (often methane or ammonia) are ionized by electron ionization to form reagent ions, which subsequently react with analyte...
    16 KB (2,129 words) - 18:11, 5 June 2024
  • Thumbnail for Electron capture detector
    An electron capture detector (ECD) is a device for detecting atoms and molecules in a gas through the attachment of electrons via electron capture ionization...
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  • Thumbnail for Ionization
    solution for the ionization rate is possible. Tunnel ionization is ionization due to quantum tunneling. In classical ionization, an electron must have enough...
    48 KB (6,714 words) - 00:28, 10 October 2024
  • Thumbnail for Electron capture
    Electron capture (K-electron capture, also K-capture, or L-electron capture, L-capture) is a process in which the proton-rich nucleus of an electrically...
    14 KB (1,279 words) - 19:26, 9 February 2024
  • Thumbnail for Electron-capture dissociation
    Electron-capture dissociation (ECD) is a method of fragmenting gas-phase ions for structure elucidation of peptides and proteins in tandem mass spectrometry...
    26 KB (3,262 words) - 20:43, 30 January 2024
  • Thumbnail for Auger effect
    the Auger electron corresponds to the difference between the energy of the initial electronic transition into the vacancy and the ionization energy for...
    5 KB (682 words) - 17:01, 17 August 2024
  • electromagnetic waves that have sufficient energy to ionize atoms or molecules by detaching electrons from them. Some particles can travel up to 99% of the...
    60 KB (6,552 words) - 22:21, 31 October 2024
  • Thumbnail for Plasma (physics)
    Plasma (physics) (redirect from Ionized gas)
    needed to sustain ionization, which is a defining feature of a plasma. The degree of plasma ionization is determined by the electron temperature relative...
    62 KB (6,398 words) - 22:51, 5 September 2024
  • many types of ionizing radiation, including X-rays, gamma rays, alpha particles and beta particles. Conventionally, the term "ionization chamber" refers...
    20 KB (2,552 words) - 00:51, 15 May 2024
  • Delta ray (redirect from Delta electron)
    secondary electron with enough energy to escape a significant distance away from the primary radiation beam and produce further ionization.: 25  The term...
    3 KB (333 words) - 06:17, 29 November 2023
  • Thumbnail for Gas chromatography–mass spectrometry
    manufacturers. The "hard ionization" process of electron ionization can be softened by the cooling of the molecules before their ionization, resulting in mass...
    38 KB (4,826 words) - 05:52, 30 October 2024
  • Thumbnail for Electron-transfer dissociation
    nano-ESI/atmospheric pressure chemical ionization (APCI) dual ionization source using radical anions of 1,3-dinitrobenzene as the electron donor. Later a lab at the...
    16 KB (1,800 words) - 00:09, 17 October 2024
  • Thumbnail for Electron
    panels, electron microscopes, radiation therapy, lasers, gaseous ionization detectors, and particle accelerators. Interactions involving electrons with other...
    154 KB (15,572 words) - 00:49, 16 October 2024
  • Thumbnail for Radioactive decay
    produces antineutrinos). In electron capture, some proton-rich nuclides were found to capture their own atomic electrons instead of emitting positrons...
    95 KB (9,823 words) - 20:27, 24 October 2024
  • Thumbnail for Radiation
    sufficiently high energy can ionize atoms; that is to say it can knock electrons off atoms, creating ions. Ionization occurs when an electron is stripped (or "knocked...
    48 KB (6,154 words) - 17:50, 3 October 2024
  • London in England. He studies and conducts experiments involving electron capture, ionization and excitation processes in low-velocity collisions among atoms...
    3 KB (291 words) - 01:10, 3 July 2024
  • Thumbnail for Tandem mass spectrometry
    molecule M. Adding an electron through an ion-ion reaction is called electron-transfer dissociation (ETD). Similar to electron-capture dissociation, ETD induces...
    60 KB (7,443 words) - 00:43, 3 October 2024
  • Thumbnail for Beta decay
    same. In electron capture, an inner atomic electron is captured by a proton in the nucleus, transforming it into a neutron, and an electron neutrino is...
    58 KB (6,990 words) - 19:41, 31 October 2024
  • thereby ionizing them (impact ionization). This releases additional electrons which accelerate and collide with further atoms, releasing more electrons—a chain...
    6 KB (830 words) - 18:56, 21 March 2024
  • Thumbnail for Mass spectrometry
    for ionization have been key to determining what types of samples can be analyzed by mass spectrometry. Electron ionization and chemical ionization are...
    82 KB (10,326 words) - 02:15, 19 October 2024
  • Thumbnail for History of LSD
    and N-demethyl-LSD in urine by gas chromatography/resonance electron capture ionization mass spectrometry". Analytical Chemistry. 60 (14): 1420–5. doi:10...
    69 KB (8,035 words) - 00:18, 3 September 2024
  • be regarded as the ionization energy of the –1 ion or the zeroth ionization energy. Either convention can be used. Negative electron affinities can be...
    58 KB (4,069 words) - 18:44, 21 August 2024
  • helium as an ionization source. Eluants from the GC column, flowing counter to the flow of helium from the discharge zone, are ionized by photons from...
    3 KB (422 words) - 16:44, 20 February 2019
  • Thumbnail for Atmospheric-pressure chemical ionization
    Atmospheric pressure chemical ionization (APCI) is an ionization method used in mass spectrometry which utilizes gas-phase ion-molecule reactions at atmospheric...
    20 KB (2,427 words) - 00:39, 15 December 2023
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    ions and neutrals. The reverse process to ionization is recombination, in which a free electron is "captured" by a positive ion. Recombination occurs spontaneously...
    54 KB (6,682 words) - 08:40, 31 October 2024
  • EA – Electron affinity EAD – Electron-activated dissociation ECD – Electron-capture dissociation ECI – Electron capture ionization EDD – Electron-detachment...
    14 KB (1,055 words) - 09:17, 7 November 2023
  • Thumbnail for Periodic table
    transition series, it becomes less energetically favourable to ionize further electrons. Thus, the early transition metal groups tend to prefer higher...
    249 KB (26,983 words) - 19:54, 30 October 2024