Figure 4.18
Sample injection ports. (a) Flash-vaporizer. (b) Split injector with septum purge for capillary columns.
(c) Direct cold on-column injection onto a capillary column showing rotating valve and insertion of
needle into the base of the column. (Reproduced by permission of Dr Alfred Hüthig Verlag from
J. High Res. Chromatogr., Chromatogr. Commun., 2 , 358 (1979))
chris devlin
(Chris Devlin)
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