electron impact ionization mass spectrometry

electron impact ionization mass spectrometry
Макаров: масс-спектрометрия с ионизацией электронным ударом

Универсальный англо-русский словарь. . 2011.

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  • 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

  • Proton transfer reaction - mass spectrometry — (PTR MS) is a very sensitive technique for online monitoring of volatile organic compounds (VOCs) in ambient air developed by scientists at the Institut für Ionenphysik at the Leopold Franzens University in Innsbruck, Austria [A. Hansel, A.… …   Wikipedia

  • mass spectrometry — or mass spectroscopy Analytic technique by which chemical substances are identified by sorting gaseous ions by mass using electric and magnetic fields. A mass spectrometer uses electrical means to detect the sorted ions, while a mass spectrograph …   Universalium

  • Static secondary ion mass spectrometry — Static secondary ion mass spectrometry, or static SIMS is a technique for chemical analysis including elemental composition and chemical structure of the uppermost atomic or molecular layer of a solid which may be a metal, semiconductor or… …   Wikipedia

  • Gas chromatography-mass spectrometry — (GC MS) is a method that combines the features of gas liquid chromatography and mass spectrometry to identify different substances within a test sample. Applications of GC MS include drug detection, fire investigation, environmental analysis,… …   Wikipedia

  • Secondary ion mass spectrometry — Infobox chemical analysis name = Secondary ion mass spectrometry caption =CAMECA IMS3f Magnetic SIMS Instrument acronym = SIMS classification =Mass spectrometry analytes = Solid surfaces, thin films related = Fast atom bombardment… …   Wikipedia

  • Mass spectrum — Electron ionization mass spectrum of toluene [4]. Note parent peak corresponding to molecular mass M = 92 (C7H8+) and highest peak at M 1 = 91 (C7H7+, quasi stable tropylium cation). A mass spectrum is an inten …   Wikipedia

  • Electron ionization — [ toluene [http://webbook.nist.gov/cgi/cbook.cgi?Name=toluene Units=SI] ] Electron ionization (EI, formerly known as electron impact) is an ionization technique widely used in mass spectrometry, particularly for organic molecules. How it worksThe …   Wikipedia

  • Matrix-assisted laser desorption/ionization — MALDI TOF mass spectrometer Matrix assisted laser desorption/ionization (MALDI) is a soft ionization technique used in mass spectrometry, allowing the analysis of biomolecules (biopolymers such as DNA, proteins, peptides and sugars) and large… …   Wikipedia

  • Desorption electrospray ionization — (DESI) Acronym DESI Classification Mass spectrometry Analytes Organic molecules Biomolecules Other techniques Related Electrospray ionization Atmospheric pressure chemical ionization …   Wikipedia

  • Auger electron spectroscopy — (AES; Auger pronounced|oːʒeː in French) is a common analytical technique used specifically in the study of surfaces and, more generally, in the area of materials science. Underlying the spectroscopic technique is the Auger effect, as it has come… …   Wikipedia


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