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Related Concept Videos

Precipitation Titration: Endpoint Detection Methods01:19

Precipitation Titration: Endpoint Detection Methods

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In argentometric precipitation titrations, endpoints can be detected visually by the Mohr, Volhard, and Fajans methods. In the Mohr method, adding a soluble chromate indicator gives an initial yellow color to the analyte solution. As the titrant is added, the first excess of silver ions forms a red silver chromate precipitate, marking the endpoint. The solution pH should be maintained at about 8 by adding solid CaCO3.
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Complexometric titration involves the formation of a complex by reacting a metal ion with one or more ligands. A visual indicator often detects the end point of a complexometric titration. It is added to the metal solution before the titration, forming a stable metal–indicator complex and imparting color to the solution. As the titration approaches the equivalence point, the excess of the added ligand displaces the indicator from the metal–indicator complex, releasing the free...
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Related Experiment Video

Updated: May 2, 2026

TD-DFT Guided Advanced E-Eye Sensing Technique for On-site Quantification of Fe, Cr, F, and As in the Environmental, Biological, and Food Samples
09:51

TD-DFT Guided Advanced E-Eye Sensing Technique for On-site Quantification of Fe, Cr, F, and As in the Environmental, Biological, and Food Samples

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651

Optimized ferrozine-based assay for dissolved iron.

Thomas M Jeitner1

  • 1Neurosciences, Winthrop University Hospital, Suite 502, 222 Station Plaza North, Mineola, NY 11501, USA.

Analytical Biochemistry
|March 18, 2014
PubMed
Summary
This summary is machine-generated.

This study presents a straightforward and efficient assay for detecting iron in solutions. The ferrozine-based method accurately quantifies iron concentrations from 1 to 200 μM in under 2.5 hours.

Keywords:
FerrozineIron

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Area of Science:

  • Analytical Chemistry
  • Biochemistry

Background:

  • Accurate quantification of iron is crucial in various scientific disciplines.
  • Existing iron detection methods may lack simplicity or efficiency.

Purpose of the Study:

  • To develop and optimize a simple and efficient assay for iron detection in solution.
  • To establish the accuracy and time efficiency of the proposed method.

Main Methods:

  • Utilized ferrozine, a known iron-binding agent.
  • Developed an optimized assay protocol for iron detection.

Main Results:

  • The assay accurately measures iron concentrations within the range of 1 to 200 μM.
  • The entire detection process is completed within 2.5 hours.

Conclusions:

  • The ferrozine-based assay is a simple, optimized, and accurate method for iron quantification.
  • This assay offers a time-efficient solution for measuring iron in solution.