- negative-ion mass spectrum
- масс-спектр отрицательных ионов
Англо-український і українсько-англійський словник з аналітичної хімії. — Севастополь: «Вебер». В.В. Рафалюк, О.М. Ловягін . 2002.
negative-ion mass spectrum
Смотреть что такое "negative-ion mass spectrum" в других словарях:
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
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
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
Negative electron-transfer dissociation — (NETD) is an ion/ion reaction in which an electron from an anionic specie is transferred to cationic reagent.[1] Following this transfer event, the electron deficient anion undergoes internal rearrangement and fragments. NETD is the ion/ion… … 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
Mass-to-charge ratio — Charge to Mass ratio SI quantity dimension: M/(I⋅T) SI unit: kg/C other units: Th The mass to charge ratio ratio (m/Q) is a physical quantity that is widely used in the electrodynamics of c … 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
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
Fourier transform ion cyclotron resonance — Infobox chemical analysis name = Fourier transform ion cyclotron resonance caption =A FTMS instrument at the Pacific Northwest National Laboratory, USA acronym = FTMS, FTICR classification =Mass spectrometry analytes = manufacturers = related =… … Wikipedia
Inductively coupled plasma mass spectrometry — ICP MS Instrument Acronym ICP MS Classification Mass spectrometry Analytes atomic and polyatomic species in plasma, with exceptions; usually inte … Wikipedia
Radical ion — A radical ion is a free radical species that carries a charge.[1] Radical ions are encountered in organic chemistry as reactive intermediates and in mass spectrometry as gas phase ions. Positive radical ions are called radical cations whereas… … Wikipedia
