Study on solid-phase extraction and flame atomic absorption spectrometry for the selective determination of cadmium in water and plant samples with modified clinoptilolite
作者： Akbar Malekpour , Saeed Hajialigol , Mohammad Ali Taher
DOI: 10.1016/J.JHAZMAT.2009.06.163
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摘要: Abstract A sensitive, simple separation and solid-phase procedure, which is sorption desorption of cadmium on modified clinoptilolite zeolite (with surfactant neothorine), for preconcentration prior to analysis by FAAS described. The sorbent has exhibited good potential at pH 5. Cadmium was eluted from the column nitric acid resulted in factor 160. Thermodynamic behaviors process are investigated adsorption interpreted term Freundlich equation. detection limit 0.015 ng mL−1 obtained it shown that calibration curve linear 0.01 4.0 μg mL−1 final solution. Furthermore, effects various parameters such as pH, flow rate sample eluent solution were studied. This method successfully applied determination plant real water samples.
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