Overview of Recent Development of Needle-Trap Devices for Analysis of Volatile Compounds

Author:

Raynie Douglas E.1

Affiliation:

1. South Dakota State University

Abstract

Needle-trap devices (NTDs) are another sorbent-based tool in the haystack of methods used in analytical extractions. Syringe needles, similar to those used for gas chromatography (GC) injection, can be partially filled with suitable sorbents and are used for extracting and collecting volatile organics, followed by injection into a GC instrument via thermal desorption. Although NTDs share many similarities and advantages of solid-phase microextraction (SPME), the larger sorbent bed provides robustness and offers potentially exhaustive extractions. This month, we take a look at the principles and applications of NTDs, and recent developments in their use.

Publisher

Multimedia Pharma Sciences, LLC

Subject

Analytical Chemistry

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