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Related Experiment Video

Updated: Jun 28, 2026

An Anaerobic Biosensor Assay for the Detection of Mercury and Cadmium

An Anaerobic Biosensor Assay for the Detection of Mercury and Cadmium

Published on: December 17, 2018

Trace element determination in environmental pollution: A kinetic method for mercury estimation.

M Phull¹, H C Bajai, P C Nigam

¹Department of Chemistry, Indian Institute of Technology Kanpur-208016, India.

|August 1, 1981

Summary

A new spectrophotometric method accurately estimates trace mercury concentrations by measuring its catalytic effect on a chemical reaction. This sensitive technique achieves a low detection limit of 2.0 x 10(-8)M for mercury analysis.

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Clean Sampling and Analysis of River and Estuarine Waters for Trace Metal Studies

Clean Sampling and Analysis of River and Estuarine Waters for Trace Metal Studies

Published on: July 1, 2016

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Last Updated: Jun 28, 2026

An Anaerobic Biosensor Assay for the Detection of Mercury and Cadmium

An Anaerobic Biosensor Assay for the Detection of Mercury and Cadmium

Published on: December 17, 2018

Clean Sampling and Analysis of River and Estuarine Waters for Trace Metal Studies

Clean Sampling and Analysis of River and Estuarine Waters for Trace Metal Studies

Published on: July 1, 2016

Area of Science:

Analytical Chemistry
Environmental Chemistry

Background:

Mercury is a toxic heavy metal requiring sensitive detection methods.
Existing methods for mercury estimation can be complex or lack sensitivity.

Purpose of the Study:

To develop a novel spectrophotometric method for quantifying trace mercury concentrations.
To establish the sensitivity and reliability of the new mercury estimation technique.

Main Methods:

Spectrophotometric analysis was employed.
The method utilizes the catalytic effect of mercury on the substitution reaction of p-nitrosodiphenylamine into hexacyanoferrate(II).

Main Results:

A detection limit of 2.0 x 10(-8)M for mercury was achieved.
The method demonstrated a relative standard deviation of 1.4%.
The influence of other ions on the assay was evaluated.

Conclusions:

The developed spectrophotometric method provides a sensitive and reliable approach for trace mercury determination.
This method offers a valuable tool for environmental monitoring and toxicological studies involving mercury.