Microchip flow-injection analysis of trace 2,4,6-trinitrotoluene (TNT) using mercury-amalgam electrochemical detector

Joseph Wang; Martin Pumera

doi:10.1016/j.talanta.2005.12.001

Microchip flow-injection analysis of trace 2,4,6-trinitrotoluene (TNT) using mercury-amalgam electrochemical detector

Joseph Wang, Martin Pumera

Department of Chemical and Biomolecular Engineering

Research output: Contribution to journal › Article › peer-review

29 Citations (Scopus)

Abstract

This paper reports on a microfluidic device for the flow-injection/electrochemistry analysis of nitroaromatic explosive. The response is very fast (150 assays/h), highly sensitive (detection limit 7.0 μg L^-1), reproducible and stable (R.S.D. = 2.0%; n = 30) and linear (over 20-100 μg L^-1 range). Relevant experimental parameters have been optimized. The new microsystem offers great promise for on-site monitoring of TNT, with significant advantages of speed/warning, sample size, efficiency and cost. Most favorable S/N characteristics were obtained at the Hg/Au-amalgam end-channel detector.

Original language	English
Pages (from-to)	984-987
Number of pages	4
Journal	Talanta
Volume	69
Issue number	4
DOIs	https://doi.org/10.1016/j.talanta.2005.12.001
Publication status	Published - 2006 Jun 15

Bibliographical note

Funding Information:
Financial support from the US Department of Justice-MIPT Program and US ONR (Award N00014-01-1-0213) is acknowledged. M.P. acknowledges support from the Marie Curie Intra-European Fellowship from European Community under Sixth FP (project MEIF-CT-2004-005738).

All Science Journal Classification (ASJC) codes

Analytical Chemistry

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10.1016/j.talanta.2005.12.001

Cite this

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title = "Microchip flow-injection analysis of trace 2,4,6-trinitrotoluene (TNT) using mercury-amalgam electrochemical detector",

abstract = "This paper reports on a microfluidic device for the flow-injection/electrochemistry analysis of nitroaromatic explosive. The response is very fast (150 assays/h), highly sensitive (detection limit 7.0 μg L-1), reproducible and stable (R.S.D. = 2.0%; n = 30) and linear (over 20-100 μg L-1 range). Relevant experimental parameters have been optimized. The new microsystem offers great promise for on-site monitoring of TNT, with significant advantages of speed/warning, sample size, efficiency and cost. Most favorable S/N characteristics were obtained at the Hg/Au-amalgam end-channel detector.",

author = "Joseph Wang and Martin Pumera",

note = "Funding Information: Financial support from the US Department of Justice-MIPT Program and US ONR (Award N00014-01-1-0213) is acknowledged. M.P. acknowledges support from the Marie Curie Intra-European Fellowship from European Community under Sixth FP (project MEIF-CT-2004-005738).",

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doi = "10.1016/j.talanta.2005.12.001",

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AU - Wang, Joseph

AU - Pumera, Martin

N1 - Funding Information: Financial support from the US Department of Justice-MIPT Program and US ONR (Award N00014-01-1-0213) is acknowledged. M.P. acknowledges support from the Marie Curie Intra-European Fellowship from European Community under Sixth FP (project MEIF-CT-2004-005738).

PY - 2006/6/15

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N2 - This paper reports on a microfluidic device for the flow-injection/electrochemistry analysis of nitroaromatic explosive. The response is very fast (150 assays/h), highly sensitive (detection limit 7.0 μg L-1), reproducible and stable (R.S.D. = 2.0%; n = 30) and linear (over 20-100 μg L-1 range). Relevant experimental parameters have been optimized. The new microsystem offers great promise for on-site monitoring of TNT, with significant advantages of speed/warning, sample size, efficiency and cost. Most favorable S/N characteristics were obtained at the Hg/Au-amalgam end-channel detector.

AB - This paper reports on a microfluidic device for the flow-injection/electrochemistry analysis of nitroaromatic explosive. The response is very fast (150 assays/h), highly sensitive (detection limit 7.0 μg L-1), reproducible and stable (R.S.D. = 2.0%; n = 30) and linear (over 20-100 μg L-1 range). Relevant experimental parameters have been optimized. The new microsystem offers great promise for on-site monitoring of TNT, with significant advantages of speed/warning, sample size, efficiency and cost. Most favorable S/N characteristics were obtained at the Hg/Au-amalgam end-channel detector.

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Microchip flow-injection analysis of trace 2,4,6-trinitrotoluene (TNT) using mercury-amalgam electrochemical detector

Abstract

Bibliographical note

All Science Journal Classification (ASJC) codes

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