Abstract

Shawket Kadhim Jawad, Mousa Omran Kadhim and Alaa Saleh Alwan

DOI : http://dx.doi.org/10.13005/ojc/330445

Through joined two sensitive methods solvation and cloud point extraction separated and determined micro amount of Ce(III) from aqueous solutions by using organic reagent 2,4-Dimethyl pentan-3-one (2,4-DMP) as extractant and non-ionic surfactant 1% TritonX-100 ,the experimental study shows the solvation species of Ce⁺³ extracted into cloud point layer (CPL) have a wavelength for maximum absorbance was λ_max =295nm and the laboratory experiments appear needed as optimum concentration of salting out KNO₃ was 0.6 M in the presence 100µg  Ce⁺³/10mL and 1x10^-4 M (2,4-DMP) so that 0.5 mL at % tritonX-100 as well as after heating the solution at 90C° for 15 minutes the study involved effect of different kind and concentration of salting out , and interferences so that effect of different organic reagent as extractants, also stoichiometry study demonstrated the more probable structure of solvation  extracted species was 1:1  2,4-DMP:Ce(NO₃)₃  with spectrophotometric determination.

Cerium(III); Solvationmethod; Cloud point extraction method; Preconcentration; Salting out agent

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