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.

Efficient and selective extraction and determination of ultra trace amounts of Hg2+ using solid phase extraction combined with ion pair based surfactant-assisted dispersive liquid–liquid microextraction

RSC Advances ◽  
2015 ◽  
Vol 5 (122) ◽  
pp. 100511-100521 ◽  
Author(s):  
Marzieh Sadeghi ◽  
Ziba Nematifar ◽  
Mohsen Irandoust ◽  
Nazir Fattahi ◽  
Parya Hamzei ◽  
...  
Keyword(s):  
Solid Phase Extraction ◽  
Solid Phase ◽  
Selective Extraction ◽  
Ion Pair ◽  
Phase Extraction ◽  
Ultra Trace ◽  
Dispersive Liquid Liquid Microextraction ◽  
Liquid Microextraction ◽  
Surfactant Assisted

Solid phase extraction coupled with ion pair based surfactant-assisted dispersive liquid–liquid microextraction based on the solidification of the floating organic drop method was applied for determination of Hg2+ in different samples.

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