Pulsed-valve chemical ionization for gas
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David A. Laude Jr.; Carolyn L. Johlman; Robert S. Brown; Carl F. Ijames; Charles
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Article
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1985
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Elsevier Science
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English
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The pressure requirements for chemical ionization g.c./F.t.m.s. which restrict mass resolution and accuracy are overcome through use of a pulsed valve that provides momentary reagent gas pressures. For alternate electron impact (EI)/chemical ionization (c.i.) g.c./F.t.m.s., similar resolution for bo