Improved in-tube electro-membrane extraction followed by high-performance liquid chromatography for simple and selective determination of ionic compounds: Optimization by central composite design

2017 ◽  
Vol 40 (14) ◽  
pp. 2967-2974 ◽  
Author(s):  
Mohammad Bazregar ◽  
Maryam Rajabi ◽  
Yadollah Yamini ◽  
Alireza Asghari
Keyword(s):  
High Performance Liquid Chromatography ◽  
Liquid Chromatography ◽  
Central Composite Design ◽  
High Performance ◽  
Membrane Extraction ◽  
Selective Determination ◽  
Ionic Compounds ◽  
Central Composite

A simple, effective and highly sensitive analytical method used for the determination of caffeine in tea and energy drink samples, and method optimization using a central composite design

2017 ◽  
Vol 9 (10) ◽  
pp. 1665-1671 ◽  
Author(s):  
Samira Yousefi ◽  
Marzieh Kamankesh ◽  
Sahar Jazaeri ◽  
Abdolmohammad Attaran ◽  
Abdorreza Mohammadi
Keyword(s):  
High Performance Liquid Chromatography ◽  
Liquid Chromatography ◽  
Central Composite Design ◽  
Analytical Method ◽  
High Performance ◽  
Energy Drink ◽  
Highly Sensitive ◽  
Method Optimization ◽  
Central Composite

A rapid, simple and highly sensitive analytical method based on a microextraction method, followed by high-performance liquid chromatography was developed for the determination of caffeine in different tea and energy drink samples.

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