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Off‐line and On‐line Extraction of Explosives and Related Compounds from Aqueous Samples Using Solid Sorbents

Off‐line and On‐line Extraction of Explosives and Related Compounds from Aqueous Samples Using... Explosives belonging to the group of nitrotoluenes may be readily extracted with C18 adsorbent in the off‐line mode and also in on‐line coupling of the extraction unit to HPLC, while polar explosives like hexyl, HMX, and RDX show a substantial breakthrough and low recoveries. However, these compounds are quantitatively extracted using a new polymeric phase, LiChrolut EN, in the off‐line mode. Preliminary results show that this new adsorbent may in principle also be used in the on‐line mode for explosives. In this case, the cartridges have to be eluted in the backflush mode. Method detection limits of ⩽ 0.1 μg/L are achieved for on‐line extraction of explosives and related compounds with water samples as small as 10…30 mL. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png Acta hydrochimica et hydrobiologica Wiley

Off‐line and On‐line Extraction of Explosives and Related Compounds from Aqueous Samples Using Solid Sorbents

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References (10)

Publisher
Wiley
Copyright
Copyright © 1996 Wiley Subscription Services, Inc., A Wiley Company
ISSN
0323-4320
eISSN
1521-401X
DOI
10.1002/aheh.19960240506
Publisher site
See Article on Publisher Site

Abstract

Explosives belonging to the group of nitrotoluenes may be readily extracted with C18 adsorbent in the off‐line mode and also in on‐line coupling of the extraction unit to HPLC, while polar explosives like hexyl, HMX, and RDX show a substantial breakthrough and low recoveries. However, these compounds are quantitatively extracted using a new polymeric phase, LiChrolut EN, in the off‐line mode. Preliminary results show that this new adsorbent may in principle also be used in the on‐line mode for explosives. In this case, the cartridges have to be eluted in the backflush mode. Method detection limits of ⩽ 0.1 μg/L are achieved for on‐line extraction of explosives and related compounds with water samples as small as 10…30 mL.

Journal

Acta hydrochimica et hydrobiologicaWiley

Published: Jan 1, 1996

Keywords: ; ; ; ;

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