0.60
CiteScore
0.186
SJR
0.447
SNIP
 
CC-BY 4.0
 
 

Determination of Trace Amount of Lead (11) and Cadmium (11) Ions in Real Water and Real Samples by Flame Atomic Absorption Spectrometry After Cloud Point Extraction Using Selective Synthesis Ligand2-(3- indolyl) – 4,5 di phynyl imidazole

 
1
Department of Chemical Engineering, Islamic Azad University, Bushehr Branch, Bushehr, IRAN
2
Department of Agriculture Science, Payame Noor University, Tehran, IRAN
3
Department of Chemical Engineering, Shahrood University of Technology, Shahrood, IRAN
Eurasian J Anal Chem 2017;12(7):987–1000
Online publish date: 2017-09-27
Publish date: 2017-09-27
KEYWORDS:
TOPICS:
ABSTRACT:
A simple, sensitive and feasible cloud-point extraction (CPE) methodology has been developed for the separation and preconcentration of cadmium and lead ions in real samples. The metals in the aqueous solution were complexes with 2-(3- indolyl) - 4,5 di phynyl imidazole.(IDPI), at pH = 7.0 and Triton X-114 was added as surfactant. The variables effecting like concentration of Triton X-114 and HNO3, bath temperature, centrifuge rate and time on the cloud-point extraction were optimized. Under optimum conditions, the response are linear over concentration range of 0.025-1.3(µg mL-1) for Cd2+, 0.064-1.27(µg mL-1) for Pb2+ andRSD % (n =5) 1.4 for Cd2+, 1.3 for Pb2+, detection limits (3SDb/m, n =10, m = slope of calibration) of 0.15 (µg.mL-1) for Cd2+ and 0.13 (µg.mL-1) Pb2+ respectively. The enrichment factors were 31 for Cd2+ and 37 for Pb2+. The preconcentration factors were 26 for Cd2+ and 31 for Pb2+ respectively.
CORRESPONDING AUTHOR:
Gholamhossein Vatankhah   
Department of Chemical Engineering, Islamic Azad University, Bushehr Branch, Bushehr, Iran
 
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