Dispersive solid phase extraction of lead in water samples using embedded 1,5-diphenylcarbazone grafted graphene oxide in microporous magnetic chitosan coupled with flame atomic absorption spectrometry

2019 ◽  
Vol 16 (7) ◽  
pp. 1411-1421 ◽  
Author(s):  
Negar Ghorbanian ◽  
Shahram Seidi ◽  
Jahan B. Ghasemi ◽  
Seyed Jamal Sadeghi
2015 ◽  
Vol 7 (5) ◽  
pp. 2093-2099 ◽  
Author(s):  
Wei Xiong ◽  
Chunsheng Cheng ◽  
Yaling Yang

A method to separate and preconcentrate trace levels of chromium using silver nanoparticle (Ag NP) technology and suspension dispersive solid phase extraction is proposed.


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