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<p>A simple, cost-effective, accurate, and sensitive spectrophotometric method has been developed for the determination of fluometuron in environmental samples. The method is based on the formation of a metal complex between fluometuron and Fe(III), exhibiting maximum absorbance at 347&#xa0;nm. The calibration curve followed Beer’s law in the concentration range of 0.25–5.0&#xa0;µg mL<sup>− 1</sup>, with a correlation coefficient (R<sup>2</sup>) of 0.997, indicating excellent linearity. The method demonstrated a limit of detection (LOD) of 0.0787&#xa0;µg mL<sup>− 1</sup> and a limit of quantification (LOQ) of 0.238&#xa0;µg mL<sup>− 1</sup>. Recovery studies performed on spiked environmental matrices showed high accuracy, with percent recoveries ranging from 82.12 ± 2.95% to 97.80 ± 6.11%. The developed method was successfully applied to the analysis of fluometuron in real samples, including tap water, canal water, pond water, and soil, confirming its reliability for routine environmental monitoring.</p>

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Spectrophotometric Determination of Fluometuron Via Complexation with Fe(III): Method Development, Validation, and Application to Environmental Samples

  • 期刊论文

  • 发表日期：

    2025年11月7日

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  • Mian Muhammad,
  • Mushtaq Ahmad,
  • Sikandar Khan,
  • Faiz Ali

摘要

A simple, cost-effective, accurate, and sensitive spectrophotometric method has been developed for the determination of fluometuron in environmental samples. The method is based on the formation of a metal complex between fluometuron and Fe(III), exhibiting maximum absorbance at 347 nm. The calibration curve followed Beer’s law in the concentration range of 0.25–5.0 µg mL− 1, with a correlation coefficient (R2) of 0.997, indicating excellent linearity. The method demonstrated a limit of detection (LOD) of 0.0787 µg mL− 1 and a limit of quantification (LOQ) of 0.238 µg mL− 1. Recovery studies performed on spiked environmental matrices showed high accuracy, with percent recoveries ranging from 82.12 ± 2.95% to 97.80 ± 6.11%. The developed method was successfully applied to the analysis of fluometuron in real samples, including tap water, canal water, pond water, and soil, confirming its reliability for routine environmental monitoring.