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...
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of electron capture ionization. The electron affinity is positive when energy is released on electron capture. In solid state physics, the electron affinity...
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Ion source (redirect from Atmospheric pressure ionization)
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...
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chemistry. Reagent gas molecules (often methane or ammonia) are ionized by electron ionization to form reagent ions, which subsequently react with analyte...
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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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solution for the ionization rate is possible. Tunnel ionization is ionization due to quantum tunneling. In classical ionization, an electron must have enough...
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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...
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Electron-capture dissociation (ECD) is a method of fragmenting gas-phase ions for structure elucidation of peptides and proteins in tandem mass spectrometry...
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Auger effect (redirect from Auger ionization)
the Auger electron corresponds to the difference between the energy of the initial electronic transition into the vacancy and the ionization energy for...
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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...
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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...
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many types of ionizing radiation, including X-rays, gamma rays, alpha particles and beta particles. Conventionally, the term "ionization chamber" refers...
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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...
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manufacturers. The "hard ionization" process of electron ionization can be softened by the cooling of the molecules before their ionization, resulting in mass...
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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...
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panels, electron microscopes, radiation therapy, lasers, gaseous ionization detectors, and particle accelerators. Interactions involving electrons with other...
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Radioactive decay (section Electron capture)
produces antineutrinos). In electron capture, some proton-rich nuclides were found to capture their own atomic electrons instead of emitting positrons...
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Radiation (section Ionizing 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...
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London in England. He studies and conducts experiments involving electron capture, ionization and excitation processes in low-velocity collisions among atoms...
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Tandem mass spectrometry (redirect from Negative electron-transfer dissociation)
molecule M. Adding an electron through an ion-ion reaction is called electron-transfer dissociation (ETD). Similar to electron-capture dissociation, ETD induces...
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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...
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thereby ionizing them (impact ionization). This releases additional electrons which accelerate and collide with further atoms, releasing more electrons—a chain...
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Mass spectrometry (redirect from Soft ionization)
for ionization have been key to determining what types of samples can be analyzed by mass spectrometry. Electron ionization and chemical ionization are...
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and N-demethyl-LSD in urine by gas chromatography/resonance electron capture ionization mass spectrometry". Analytical Chemistry. 60 (14): 1420–5. doi:10...
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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...
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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...
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Atmospheric pressure chemical ionization (APCI) is an ionization method used in mass spectrometry which utilizes gas-phase ion-molecule reactions at atmospheric...
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Ionosphere (section Layers of ionization)
ions and neutrals. The reverse process to ionization is recombination, in which a free electron is "captured" by a positive ion. Recombination occurs spontaneously...
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EA – Electron affinity EAD – Electron-activated dissociation ECD – Electron-capture dissociation ECI – Electron capture ionization EDD – Electron-detachment...
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Periodic table (section Electron configurations)
transition series, it becomes less energetically favourable to ionize further electrons. Thus, the early transition metal groups tend to prefer higher...
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