Microextraction of metal ions based on solidification of a floating drop: Basics and recent updates |
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| Affiliation: | 1. Urology and Nephrology Center, Mansoura University, Mansoura 35561, Egypt;2. Department of Chemistry, The Gifted Students’ School in Najaf, Ministry of Education, Najaf, Iraq;3. College of Medical Technology, The Islamic University, Najaf, Iraq |
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| Abstract: | This review provides a comprehensive evaluation of solidified floating organic drop microextraction (SFODME) procedures for metal ions preconcentration and their contributions to green chemistry. In this article we focused on the modifications that have been performed in the recent years to improve this environmentally friendly procedure. Among the most important of these modifications are the inclusion of ultrasonic energy, vortex and air agitation to enhance the dispersion process. The article also discussed new challenges in the procedure by using more ecofriendly solvents as extractants such as ionic liquids, deep eutectic. and supramolecular solvents. The coupling of SFODME with solid phase extraction increases selectivity and efficiency of the preconcentration procedure. |
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| Keywords: | Solidified floating organic drop microextraction Dispersive liquid-liquid microextraction Metal ions Alternative ecofriendly extracting solvents Green analytical chemistry |
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