scholarly journals Roles of Interfacial Functions in Analytical Chemistry. In situ preconcentration method for thiosulfate and sulfite in environmental water samples using solid-phase extraction followed by a spectrophotometric determination.

1998 ◽  
Vol 47 (12) ◽  
pp. 985-991 ◽  
Author(s):  
Minoru OKUMURA ◽  
Kaoru FUJINAGA ◽  
Yasushi SEIKE ◽  
Akihito NAGASHIMA
2020 ◽  
Vol 12 (40) ◽  
pp. 4906-4912
Author(s):  
Qingsong Zhang ◽  
Guangyang Liu ◽  
Xiaolin Cao ◽  
Jungang Yin ◽  
Ziping Zhang

In this paper, magnetic ZIF-67 composites were prepared by an in situ method and utilized in the magnetic solid-phase extraction of phthalate esters.


2017 ◽  
Vol 33 (4) ◽  
pp. 487-491 ◽  
Author(s):  
Toshikuni KATO ◽  
Shogo SUGAHARA ◽  
Takahiro KAJITANI ◽  
Yukiko SENGA ◽  
Michiko EGAWA ◽  
...  

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