Penning ionization is a form of chemi-ionization, an ionization process involving reactions between neutral atoms or molecules. The Penning effect is...
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Gas-phase ion chemistry (section Penning ionization)
{\displaystyle G^{*}+M\to M^{+\bullet }+e^{-}+G} Penning ionization occurs when the target molecule has an ionization potential lower than the internal energy...
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Ion source (redirect from Atmospheric pressure ionization)
the asterisk) interacts with B to form the ion AB+. Penning ionization is a form of chemi-ionization involving reactions between neutral atoms or molecules...
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many different ionization techniques used for mass spectrometry. Penning ionization Associative ionization Charge-exchange ionization Auger effect Jozef...
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curves. Penning ionization is a form of chemi-ionization, an ionization process involving reactions between neutral atoms or molecules. The Penning effect...
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to produce analyte ions. Analytes with low ionization energy may be ionized directly. The DART ionization process can produce positive or negative ions...
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Electron ionization (EI, formerly known as electron impact ionization and electron bombardment ionization) is an ionization method in which energetic electrons...
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atoms then can ionize the quench gas particles by energy transfer via collisions; known as the Penning effect. A very common Penning mixture of about...
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Pressure measurement (redirect from Penning gauge)
There are two subtypes of cold-cathode ionization gauges: the Penning gauge (invented by Frans Michel Penning), and the inverted magnetron, also called...
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energy storage device Penning gauge, vacuum gauge Penning ionization, form of ionization Penning mixture, a gas mixture Pony penning, annual pony roundup...
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An ionization instability is any one of a category of plasma instabilities which is mediated by electron-impact ionization. In the most general sense...
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Ambient ionization is a form of ionization in which ions are formed in an ion source outside the mass spectrometer without sample preparation or separation...
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avalanches. This combination of gases is known as a Penning mixture and makes use of the Penning ionization effect. The modern halogen-filled G–M tube was...
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for the Van der Pol oscillator, and Frans Michel Penning, known for Penning ionization and the Penning mixture. In 1908 he became a geprüfter Fachlehrer...
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mass spectrometers and other types of instruments. In comparison to Penning ionization sources, the duoplasmatron features advantages such as less expenditure...
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Plasma (physics) (redirect from Ionized gas)
temperatures are usually needed to sustain ionization, which is a defining feature of a plasma. The degree of plasma ionization is determined by the electron temperature...
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Mass spectrometry (redirect from Soft ionization)
electrospray ionization (ESI) and Koichi Tanaka for the development of soft laser desorption (SLD) and their application to the ionization of biological...
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Ion trap (section Penning Trap)
were first explored by F. M. Penning (1894–1953), who observed that electrons released by the cathode of an ionization vacuum gauge follow a long cycloidal...
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mass spectrometer. Desorption electrospray ionization (DESI) was the first liquid-based ambient ionization MS method. DESI employed a spray of charged...
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Quartz fiber dosimeter (redirect from Pocket ionization chamber)
decrease in electrostatic charge on a metal conductor in an ionization chamber, due to ionization of the air in the chamber by radiation. It was invented...
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VIII > VII at long distance, the Penning ionization pathway or associative ionization are possible: Penning ionization : Rg * + RX → Rg + RX+ + e− with...
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equivalent of the binding energy Eb. Taking the simplest case of complete ionization of all electrons, for a nuclide X of atomic number Z, A r ( X ) = A r...
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molecules. She transferred her speciality to chemistry, and worked on Penning ionization. During her graduate degree, she started to work with IBM in San Jose...
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xenon, the discharge ionizes xenon directly due to most energy of the electrons being spent on direct ionization of xenon. Penning mixtures are used where...
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atmospheric pressure ionization sources, including ESI, atmospheric pressure chemical ionization (APCI), and various ambient ionization sources. The ions...
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evaporated solid, or a solution (liquid) are ionized. For atomic IBD, electron ionization, field ionization (Penning ion source) or cathodic arc sources are...
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through the gas they leave ionization trails. The alcohol vapor condenses around gaseous ion trails left behind by the ionizing particles. This occurs because...
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Reionization (redirect from Re-ionization Epoch)
that star.) At some point the shell of ionization from each star in a galaxy begin to overlap and the ionization frontier pushes out into the intergalatic...
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containing solid sodium and a small amount of neon and argon gas in a Penning mixture to start the gas discharge. The discharge tube may be linear (SLI...
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(AEgIS Collaboration) (July 2020). "Rydberg-positronium velocity and self-ionization studies in a 1T magnetic field and cryogenic environment". Physical Review...
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