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Packed column inlet as a direct injection capillary inlet

✍ Scribed by Rafał Wawrzyniak

Book ID
111491144
Publisher
Versita
Year
2008
Tongue
English
Weight
202 KB
Volume
62
Category
Article
ISSN
0366-6352

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✦ Synopsis

Abstract

Discrimination is a known problem when analyzing high-boiling compounds, which considerably hinders their analysis at trace levels. This problem can be solved by using either direct or on-column injection. Modification of a standard injection port liner and a micro-syringe is presented, so that a direct injection with in-column evaporation can be easily done. The proposed changes are compatible with any packed column injection port, simple to implement, and inexpensive. The changes are described and the analysis of acyloglycerols in diesel oil spiked with 50 % FAME is used to demonstrate the utility of the proposed injection technique.

📜 SIMILAR VOLUMES

Direct injection of large sample volumes
Direct injection of large sample volumes into capillary columns with packed column injector
✍ Watanabe, Chuichi ;Hashimoto, Keiji 📂 Article 📅 1990 🏛 John Wiley and Sons 🌐 English ⚖ 381 KB

## Abstract A direct injection method for large volume samples which avoids severe tailing of the solvent peak has been developed using a packed column injector (up to 100 μl) leading into an ordinary capillary column (0.3 mm i.d.). Modifications are made to the cooler zones of the inlet port and o