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Miniaturized Electrochemical Sensor for Cr(VI) in Groundwater and Surface Water

EPA Contract Number: 68D01019
Title: Miniaturized Electrochemical Sensor for Cr(VI) in Groundwater and Surface Water
Investigators: Cepak, Veronica M.
Small Business: Eltron Research Inc.
EPA Contact: Manager, SBIR Program
Phase: I
Project Period: April 1, 2001 through September 1, 2001
Project Amount: $69,999
RFA: Small Business Innovation Research (SBIR) - Phase I (2000)
Research Category: Ecological Indicators/Assessment/Restoration , SBIR - Monitoring and Analysis

Description:

This program will develop a small, portable, low-power electrochemical device to remotely detect and monitor chromium (VI) in aqueous solutions, particularly in suspected contaminated ground and surface waters. Eltron Research, Inc., proposes to develop a renewable sensor integrated into a flow cell that will be designed to specifically detect Cr in aqueous solutions based on a sensitive voltammetric method. This method will allow for the analysis of water samples without significant dilution or reduction in the sensitivity of detection. These miniaturized devices will employ a microfabricated, electrochemical detector integrated into a microfluidic flow cell on a planar substrate. Electrochemical detection of Cr and other metal ions in water is a cost-effective method for long-term, remote monitoring of suspected environmental contamination sites. This approach will find general use in both specific U.S. Environmental Protection Agency applications and in those of the private sector - for example, the monitoring of Cr waste in the plating industry.

Supplemental Keywords:

small business, SBIR, monitoring, chromium, groundwater, surface water, microfluidic cell, engineering, chemistry, EPA, electrochemical detector, metal ions, remote monitoring, plating industry. , Ecosystem Protection/Environmental Exposure & Risk, Toxics, RFA, National Recommended Water Quality, Monitoring/Modeling, b Chromium VI, Chromium, groundwater, surface water, electrochemical , sensor technology, miniturized
SBIR Phase II:

Miniaturized Electrochemical Sensor for Cr(VI) in Groundwater and Surface Water

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The perspectives, information and conclusions conveyed in research project abstracts, progress reports, final reports, journal abstracts and journal publications convey the viewpoints of the principal investigator and may not represent the views and policies of ORD and EPA. Conclusions drawn by the principal investigators have not been reviewed by the Agency.

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