A dispersive liquid–liquid microextraction procedure for UV-Vis spectrophotometric determination of chromium(vi) in water samples

2012 ◽  
Vol 4 (5) ◽  
pp. 1410 ◽  
Author(s):  
Michal Alexovič ◽  
Ioseph S. Balogh ◽  
Jana Škrlíková ◽  
Vasil Andruch
2014 ◽  
Vol 6 (15) ◽  
pp. 5784-5791 ◽  
Author(s):  
Ali Reza Zarei ◽  
Reihaneh Hajiaghabozorgy

Schematic of the preparation of surfactant-coated MWCNT/nano-Fe3O4composites and their application for the SPE–DLLME procedure.


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