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Updated: Jul 15, 2026

A Colorimetric Method for Measuring Iron Content in Plants
Published on: September 7, 2018
Flow injection on-line ultrasound-assisted extraction of iron in meat samples coupled to a flame atomic absorption
A Moreno-Cid1, M C Yebra, S Cancela
1Department of Analytical Chemistry, Nutrition and Bromatology, Faculty of Chemistry, University of Santiago de Compostela, 15782, Santiago de Compostela, Spain.
Abstract:
Iron was extracted on-line from solid meat samples by a simple and rapid continuous ultrasound-assisted extraction system (CUES). The CUES is connected to a flow injection manifold, which allows the on-line flame atomic absorption spectrometric determination of iron. A Plakett-Burman design was used for the optimisation of the CUES. The method achieved a total sampling frequency of 11 samples per hour with a relative standard deviation for the complete procedure of 0.4%. The detection limit was 0.6 microg g(-1) (dry mass) for a sample amount of 30 mg. Accurate results were obtained by measuring the certified reference materials BCR-186 (pig kidney) and BCR-184 (bovine muscle). The analytical procedure was applied to different real meat samples with satisfactory results.
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