scholarly journals Magnetic Solid-Phase Extraction Based on AAPTS/Fe3O4 Nanoparticles for the Determination of Trace Cu and Pb in Environmental Samples Coupled With Graphite Furnace Atomic Absorption Spectrometry

2012 ◽  
Vol 33 (1) ◽  
pp. 36-40
Author(s):  
Weihua Tian ◽  
Zhefeng Fan
Keyword(s):  
Solid Phase Extraction ◽  
Environmental Samples ◽  
Solid Phase ◽  
Graphite Furnace ◽  
Absorption Spectrometry ◽  
Magnetic Solid Phase Extraction ◽  
Phase Extraction ◽  
Graphite Furnace Atomic Absorption ◽  
Magnetic Solid

Magnetic nanoparticles coated with dithizone-modified chitosan for use in solid-phase extraction of copper(ii)

2015 ◽  
Vol 7 (5) ◽  
pp. 2050-2054 ◽  
Author(s):  
Lei Zhang ◽  
Zhichao Xiong ◽  
Lingyi Zhang ◽  
Bohao Yu ◽  
Weibing Zhang
Keyword(s):  
Magnetic Nanoparticles ◽  
Solid Phase Extraction ◽  
Solid Phase ◽  
Graphite Furnace ◽  
Absorption Spectrometry ◽  
Magnetic Solid Phase Extraction ◽  
Phase Extraction ◽  
Modified Chitosan ◽  
Graphite Furnace Atomic Absorption ◽  
Magnetic Solid

Novel magnetic nanoparticles coated with dithizone-modified chitosan were prepared. The magnetic adsorbent for magnetic solid-phase extraction was successfully applied to detection of trace copper(ii) ion by graphite furnace atomic absorption spectrometry.

Composite materials based on hybrid mesoporous solids for flow-through determination of ultratrace levels of Cd(ii)

2018 ◽  
Vol 10 (26) ◽  
pp. 3144-3152 ◽  
Author(s):  
Yanina Susana Minaberry ◽  
Jorge Stripeikis ◽  
Mabel Tudino
Keyword(s):  
Composite Materials ◽  
Solid Phase Extraction ◽  
Solid Phase ◽  
Graphite Furnace ◽  
Absorption Spectrometry ◽  
Phase Extraction ◽  
Mesoporous Solids ◽  
Graphite Furnace Atomic Absorption ◽  
Flow Through

In this work we present a solid phase extraction (SPE) flow-through system coupled to graphite furnace atomic absorption spectrometry (GFAAS) for the determination of Cd(ii) at ultratrace levels.

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