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Optimization of the cold split-splitless injector in the solvent-split mode

✍ Scribed by Termonia, M. ;Lacomblez, B. ;Munari, F.

Publisher: John Wiley and Sons
Year: 1988
Tongue: English
Weight: 447 KB
Volume: 11
Category: Article
ISSN: 0935-6304
DOI: 10.1002/jhrc.1240111209

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✦ Synopsis

In this study, the cold split-splitless injector recently introduced by Carlo Erba was optimized for the trace analysis of polycyclic aromatic hydrocarbons. Injections of hundreds of microliters of hexanesolutions were performed in the solvent split mode using an autosampler programmed for large volume injection. Injection parameters such as type of insert, initial oven temperature, split time, and flow are shown to play important roles in defining the conditions for obtaining quantitative results. The loss of early elutingcompoundscan be minimized by achieving a solvent trapping effect, making use of n-octaneas co-solvent in n-hexane.

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