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Related Experiment Video

Updated: Jun 28, 2026

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities
12:33

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

Published on: November 15, 2013

[Not Available].

M Bigois1,

  • 1Service Central de Microanalyse du Centre National de la Recherche Scientifique, 2, rue Henry Dunant, 94-Thiais, France.

Talanta
|February 1, 1972
PubMed
Summary
This summary is machine-generated.

This study presents a coulometric method for microanalytical determination of arsenic, antimony, and copper in organic compounds using iodine titration and amperometric detection for precise elemental analysis.

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Area of Science:

  • Analytical Chemistry
  • Electrochemistry
  • Inorganic Chemistry

Context:

  • Microanalysis of organic compounds requires precise and sensitive methods.
  • Existing methods for arsenic, antimony, and copper determination may lack accuracy or efficiency.
  • Electrochemical techniques offer potential for improved analytical performance.

Purpose:

  • To develop a novel microanalytical method for simultaneous determination of arsenic, antimony, and copper in organic matrices.
  • To establish a coulometric titration procedure utilizing electrogenerated iodine.
  • To validate the method's accuracy and precision using amperometric end-point detection.

Summary:

  • Organic compounds are decomposed using a mixture of sulfuric and nitric acids.
  • Arsenic and antimony are oxidized to arsenate (AsO4^3-) and antimonate (SbO4^3-) ions, respectively; copper is directly obtained as Cu^2+ ions.

Related Experiment Videos

Last Updated: Jun 28, 2026

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities
12:33

High-throughput Fluorometric Measurement of Potential Soil Extracellular Enzyme Activities

Published on: November 15, 2013

  • Iodine, generated via electrolysis of potassium iodide, titrates the analytes coulometrically, with sodium thiosulfate as an intermediate reagent and amperometric detection.

    • Impact:

    • Provides a sensitive and accurate method for the microanalytical determination of key elements in organic compounds.
    • The coulometric titration approach offers high precision and reduces reagent consumption.
    • Applicable to various fields requiring trace elemental analysis in organic matrices, such as environmental monitoring and materials science.