Preconcentration and spectrophotometric determination of low concentrations of malachite green and leuco-malachite green in water samples by high performance solid phase extraction using maghemite nanoparticles

Talanta ◽  
2010 ◽  
Vol 82 (2) ◽  
pp. 785-789 ◽  
Author(s):  
Abbas Afkhami ◽  
Razieh Moosavi ◽  
Tayyebeh Madrakian
Keyword(s):  
Solid Phase Extraction ◽  
Malachite Green ◽  
Water Samples ◽  
High Performance ◽  
Solid Phase ◽  
Phase Extraction ◽  
Maghemite Nanoparticles ◽  
Low Concentrations ◽  
Leuco Malachite Green

Magnetic nanoparticle based dispersive micro-solid-phase extraction for the determination of malachite green in water samples: optimized experimental design

2015 ◽  
Vol 39 (12) ◽  
pp. 9813-9823 ◽  
Author(s):  
Arash Asfaram ◽  
Mehrorang Ghaedi ◽  
Alireza Goudarzi ◽  
Mustafa Soylak ◽  
Sanaz Mehdizadeh Langroodi
Keyword(s):  
Experimental Design ◽  
Solid Phase Extraction ◽  
Malachite Green ◽  
Water Samples ◽  
Extraction Method ◽  
Solid Phase Microextraction ◽  
Magnetic Nanoparticle ◽  
Solid Phase ◽  
Phase Extraction

This paper presents an extraction method based on dispersive-nanoparticle-solid phase microextraction for the preliminary preconcentration and subsequent spectrophotometric determination of trace amounts of malachite green.

Magnetite–graphene oxide composites as a magnetic solid-phase extraction adsorbent for the determination of trace sulfonamides in water samples

2014 ◽  
Vol 6 (24) ◽  
pp. 9725-9730 ◽  
Author(s):  
Pengzhi Shi ◽  
Nengsheng Ye
Keyword(s):  
Graphene Oxide ◽  
Solid Phase Extraction ◽  
Water Samples ◽  
High Performance ◽  
Solid Phase ◽  
Magnetic Solid Phase Extraction ◽  
Phase Extraction ◽  
Magnetic Solid ◽  
Oxide Composites

Magnetite–graphene oxide composites were used for magnetic solid-phase extraction to preconcentrate trace sulfonamides in water samples before determination by high-performance liquid chromatography.

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