Solid-phase extraction and spectrophotometric determination of chlorine in air and residuals of free and combined chlorine in water utilizing azo dye formation

The Analyst ◽  
1998 ◽  
Vol 123 (11) ◽  
pp. 2319-2322 ◽  
Author(s):  
Madhurima Pandey ◽  
Shefali Gosain ◽  
Bhushan Sahasrabuddhey ◽  
Krishna K. Verma
Keyword(s):  
Solid Phase Extraction ◽  
Spectrophotometric Determination ◽  
Azo Dye ◽  
Solid Phase ◽  
Phase Extraction

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.

An on-line solid phase extraction system using polyurethane foam for the spectrophotometric determination of nickel in silicates and alloys

1999 ◽  
Vol 378 (1-3) ◽  
pp. 287-292 ◽  
Author(s):  
Sérgio Luis Costa Ferreira ◽  
Djane Santiago de Jesus ◽  
Ricardo Jorgensen Cassella ◽  
Antonio Celso Spinola Costa ◽  
Marcelo Souza de Carvalho ◽  
...  
Keyword(s):  
Solid Phase Extraction ◽  
Polyurethane Foam ◽  
Spectrophotometric Determination ◽  
Solid Phase ◽  
Extraction System ◽  
Phase Extraction ◽  
Determination Of Nickel ◽  
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