Dodecylbenzene sulfonate-coated magnetite nanoparticles as a new adsorbent for solid phase extraction-spectrophotometric determination of ultra trace amounts of ammonium in water samples

2011 ◽  
Vol 704 (1-2) ◽  
pp. 146-153 ◽  
Author(s):  
Habibollah Eskandari ◽  
Mohammad Reza Shariati
Keyword(s):  
Solid Phase Extraction ◽  
Spectrophotometric Determination ◽  
Magnetite Nanoparticles ◽  
Water Samples ◽  
Solid Phase ◽  
Phase Extraction ◽  
Dodecylbenzene Sulfonate ◽  
Ultra Trace

Solid-phase extraction combined with dispersive liquid–liquid microextraction for the spectrophotometric determination of ultra-trace amounts of azide ion in water samples

2014 ◽  
Vol 6 (15) ◽  
pp. 5784-5791 ◽  
Author(s):  
Ali Reza Zarei ◽  
Reihaneh Hajiaghabozorgy
Keyword(s):  
Solid Phase Extraction ◽  
Spectrophotometric Determination ◽  
Water Samples ◽  
Solid Phase ◽  
Phase Extraction ◽  
Azide Ion ◽  
Ultra Trace ◽  
Dispersive Liquid Liquid Microextraction ◽  
Liquid Microextraction

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

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