Highly selective preconcentration of ultra-trace amounts of lead ions in real water and food samples by dispersive solid phase extraction using modified magnetic graphene oxide as a novel sorbent

2018 ◽  
Vol 10 (18) ◽  
pp. 2081-2087 ◽  
Author(s):  
S. Akbarzade ◽  
M. Chamsaz ◽  
G. H. Rounaghi

A simple dispersive solid-phase extraction method coupled with atomic absorption spectrometry detection was developed for selective separation of ultra-trace of lead ion using graphene oxide modified such as the pseudo imprinted polymer sorbent in real samples.

2018 ◽  
Vol 42 (7) ◽  
pp. 5345-5355 ◽  
Author(s):  
Şerife Saçmacı ◽  
Mustafa Saçmacı ◽  
Cansu Kök

A new selective method based on magnetic dispersive solid-phase extraction (MDSPE) and a zetasizer system is proposed for the determination of As(iii)/As(v) species in some water and food samples.


2018 ◽  
Vol 42 (12) ◽  
pp. 10357-10365 ◽  
Author(s):  
Samira Parvizi ◽  
Mohammad Behbahani ◽  
Fatemeh zeraatpisheh ◽  
Ali Esrafili

We describe ultrasonic assisted-dispersive solid-phase extraction based on tailor-made polymer (UA-DSPE-TMP) nanoparticles for selective extraction of Cr(vi) ions.


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