TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

ELECTRON IMPACT [2 records]

Record 1 1989-11-15

English

Subject field(s)
  • Physics of Solids
CONT

Methods of ion production. For analysis of organic compounds the principal methods are electron impact, chemical ionization, field ionization and field desorption. Electron impact. When a gaseous sample of a molecular compound is ionized with a beam of energetic ... electrons, part of the energy is transferred to the ion formed by the collision....

OBS

Examples of ion sources utilizing this concept are the duoplasmatron and the Penning ion source.

French

Domaine(s)
  • Physique des solides
OBS

Ionisation par bombardement électronique (...) L'échantillon, en phase vapeur et sous faible pression (...) est bombardé par un faisceau d'électrons (...) émis par un filament de tungstène ou de rhénium (...) La plus grande partie des ions formés sont chargés positivement (...) La notation M[exposant]+. signifie que l'on obtient un ion moléculaire radicalaire (...) à partir de la molécule M.

Spanish

Save record 1

Record 2 1989-04-20

English

Subject field(s)
  • Atomic Physics

French

Domaine(s)
  • Physique atomique

Spanish

Save record 2

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