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A new tunable dispersive liquid-liquid micro extraction method developed for the simultaneous preconcentration of lead and cadmium from lakes water: a multivariate study.

Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy (2017-05-06)
Muhammad Bilal, Tasneem Gul Kazi, Hassan Imran Afridi, Jamshed Ali, Jameel Ahmed Baig, Mohammad Balal Arain, Mustafa Khan
ABSTRACT

A green tunable dispersive liquid-liquid micro extraction (TDLLME) technique was established for the simultaneous enrichment of lead (Pb) and cadmium (Cd) from different lakes water before analysis by flame atomic absorption spectrometry (FAAS). A solvent known as tunable polarity solvent (TPS), mixture of 1,8-diazabicyclo-[5.4.0]-undec-7-ene (DBU) and 1-decanol, has been employed as extractant in aqueous medium. In first step this mixture can be made polar by slowly bubbling the antisolvent trigger (CO

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Sigma-Aldrich
2,8-Quinolinediol, ≥99.0% (HPLC)

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