Development of a selective and pH-independent method for the analysis of ultra trace amounts of nitrite in environmental water samples after dispersive magnetic solid phase extraction by spectrofluorimetry

Talanta ◽  
2014 ◽  
Vol 128 ◽  
pp. 354-359 ◽  
Author(s):  
Ghazale Daneshvar Tarigh ◽  
Farzaneh Shemirani
Keyword(s):  
Solid Phase Extraction ◽  
Water Samples ◽  
Solid Phase ◽  
Magnetic Solid Phase Extraction ◽  
Environmental Water ◽  
Independent Method ◽  
Environmental Water Samples ◽  
Phase Extraction ◽  
Magnetic Solid ◽  
Ultra Trace

Preparation of neutral red functionalized Fe3O4@SiO2 and its application to the magnetic solid phase extraction of trace Hg(ii) from environmental water samples

RSC Advances ◽  
2016 ◽  
Vol 6 (89) ◽  
pp. 86428-86435 ◽  
Author(s):  
Chunlai Wu ◽  
Guifen Zhu ◽  
Jing Fan ◽  
Jianji Wang
Keyword(s):  
Solid Phase Extraction ◽  
Water Samples ◽  
Solid Phase ◽  
Magnetic Solid Phase Extraction ◽  
Environmental Water ◽  
Neutral Red ◽  
Environmental Water Samples ◽  
Phase Extraction ◽  
Trace Level ◽  
Magnetic Solid

Trace level of Hg(ii) was extracted from water by neutral red functionalized Fe3O4@SiO2 based on the electrostatic and coordinate interactions of Hg(ii) with neutral red.

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