Preparation of dithizone grafted poly(allyl chloride) core–shell–shell magnetic composite microspheres for solid-phase extraction of ultra-trace levels of Pb(ii), Cu(ii) and Cr(iii) ions

RSC Advances ◽  
2015 ◽  
Vol 5 (72) ◽  
pp. 58873-58879 ◽  
Author(s):  
Lei Zhang ◽  
Xiaodi Gao ◽  
Zhichao Xiong ◽  
Lingyi Zhang ◽  
Bohao Yu ◽  
...  
Keyword(s):  
Solid Phase ◽  
Simultaneous Detection ◽  
Allyl Chloride ◽  
Magnetic Microspheres ◽  
Core Shell ◽  
Magnetic Composite ◽  
Phase Extraction ◽  
The Novel ◽  
Composite Microspheres ◽  
Ultra Trace

The novel dithizone grafted poly(ally chloride) core–shell–shell magnetic microspheres were prepared and applied to simultaneous detection of trace amounts of Pb(ii), Cu(ii) and Cr(iii) ions.

Fast simultaneous detection of three diterpenoids in Herba Siegesbeckiae using solid phase extraction followed by HPLC-UV with a core–shell particle column

2018 ◽  
Vol 10 (11) ◽  
pp. 1325-1330 ◽  
Author(s):  
Yong Zhang ◽  
Zhizhong Zou ◽  
Guixing Chou
Keyword(s):  
Solid Phase Extraction ◽  
Solid Phase ◽  
Simultaneous Detection ◽  
Extraction Methods ◽  
Core Shell ◽  
Phase Extraction ◽  
Shell Particle

To quickly determine the amounts of kirenol, darutoside and darutigenol in Herba Siegesbeckiae using HPLC, the efficiency of sample cleanup with different solid phase extraction methods was systematically investigated.

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