Issue 16, 2013
From the journal:

Analytical Methods

Development of narrow-band TLC plates for TLC/FTIR analysis†

Fang Wang,ab   Haijun Wu,bc   Qing Zhu,bd   Kun Huang,e   Yongju Wei,*a   Cuige Liu,a   Yanjun Zhai,c   Zhanlan Yang,b   Shifu Weng,b   Yizhuang Xu,*b   Isao Nodaf  and  Jinguang Wub  

* Corresponding authors

a College of Chemistry and Material Science, Hebei Normal University, Shijiazhuang 050024, China
E-mail: weiyju@126.com

b College of Chemistry and Molecular Engineering, Peking University, Beijing 100871, China
E-mail: xyz@pku.edu.cn

c Mongolia Medical College, Inner Mongolia University for the Nationalities, Tongliao 028000, China

d College of Pharmacy, Liaoning University of Traditional Chinese Medicine, Dalian 116600, China

e Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100190, China

f Department of Materials Science and Engineering, University of Delaware, Newark, Delaware 19716, USA

Abstract

The present paper focuses on the development of narrow-band thin-layer chromatography (TLC) coupled with Fourier transform Infrared spectroscopy (FTIR) technique. We adopted a new method to prepare a narrow-band TLC plate by using silver iodide as stationary phase. The narrow-band TLC plate exhibits a variety of advantages: the preparation time is about 20 minutes, while 3–7 days are needed to prepare a common TLC plate suitable for TLC/FTIR analysis by using “settlement volatilization method”. Furthermore, the usage of stationary phase in narrow-band TLC plates decreases by about one order of magnitude in comparison with that of common TLC plates. This is very important for an expensive stationary phase such as silver iodide. In addition, experimental results of TLC/FTIR analysis on mixed samples containing rhodamine B and bromocresol green demonstrate the detection limit significantly improves by using the narrow-band TLC technique.

Graphical abstract: Development of narrow-band TLC plates for TLC/FTIR analysis

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Article information

DOI
https://doi.org/10.1039/C3AY40128F
Article type
Paper
Submitted
23 Jan 2013
Accepted
14 May 2013
First published
15 May 2013

Anal. Methods, 2013,5, 4138-4144

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Development of narrow-band TLC plates for TLC/FTIR analysis

F. Wang, H. Wu, Q. Zhu, K. Huang, Y. Wei, C. Liu, Y. Zhai, Z. Yang, S. Weng, Y. Xu, I. Noda and J. Wu, Anal. Methods, 2013, 5, 4138 DOI: 10.1039/C3AY40128F

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