Penning ionization

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• Penning ionization — is a form of chemi ionization, an ionization process involving reactions between neutral atoms and/or molecules. [Penning, F. M. Die Naturwissenschaften , 1927, 15, 818. Über Ionisation durch metastabile Atome. ] cite journal |author=Arango CA,… …   Wikipedia

• Penning mixture — A Penning mixture (Harv|Weston|1968|p=334,Harv|Bylander|1979|p=65), named after Frans Michel Penning, is a mixture of gases used in electric lighting or displaying fixtures. Although the popular phrase for the most common of these is a neon lamp …   Wikipedia

• Frans Michel Penning — Infobox Scientist box width = name = Frans Michel Penning image width = caption = birth date = 12 September, 1894 birth place = Gorinchem, Netherlands death date = 6 December, 1953 death place = Utrecht, Netherlands residence = citizenship =… …   Wikipedia

• Chemi-ionization — Not to be confused with chemical ionization. Chemi ionization is the formation of an ion through the reaction of a gas phase atom or molecule with an atom or molecule in an excited state.[1][2] Reactions Chemi ionization can be represented by… …   Wikipedia

• Charge-exchange ionization — (also known as charge transfer ionization) is a gas phase reaction between an ion and an atom or molecule in which the charge of the ion is transferred to the neutral species.[1] For example . See also Associative ionization Chemi ionization… …   Wikipedia

• DART ion source — A capsule being analyzed is held in the sample chamber between the DART ion source (right) and the spectrometer inlet (cone on left). DART (Direct Analysis in Real Time) is an atmospheric pressure ion source that instantaneously ionizes gases,… …   Wikipedia

• PIES — [Abk: für engl. Penning ionization electron spectroscopy = Penning Ionisationselektronen Spektroskopie]: ↑ Penning Effekt …   Universal-Lexikon

• PIS — [Abk. für engl. Penning ionization spectroscopy = Penning Ionisationsspektroskopie]: ↑ Penning Effekt …   Universal-Lexikon

• Pressure measurement — The construction of a bourdon tube gauge, construction elements are made of brass Many techniques have been developed for the measurement of pressure and vacuum. Instruments used to measure pressure are called pressure gauges or vacuum gauges. A… …   Wikipedia

• Mass spectrometry — (MS) is an analytical technique that measures the mass to charge ratio of charged particles.[1] It is used for determining masses of particles, for determining the elemental composition of a sample or molecule, and for elucidating the chemical… …   Wikipedia

• Ion source — An ion source is an electro magnetic device that is used to create charged particles. These are used primarily within mass spectrometers or particle accelerators.Mass spectrometry In mass spectrometry, an ion source is a piece of equipment used… …   Wikipedia