期刊
CHINESE CHEMICAL LETTERS
卷 29, 期 1, 页码 107-110出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.cclet.2017.10.008
关键词
Phytic acid-induced graphene; Solid phase microextraction; Gas chromatography; Nerolidol; Tea
资金
- Natural Science Foundation of Fujian Province [2015J01058]
- National Found for Fostering Talents of Basic Science [J1310024]
In this work, three dimensional phytic acid-induced graphene coating was prepared by hydrothermal synthesis and fabricated on a stainless-steel wire using physical coating method as a solid phase microextraction (SPME) coating. The graphene coating revealed high specific surface area, extraordinary electrical conductivity and excellent chemical stability. Coupled with gas chromatography-flame ionization detector (GC-FID), the home-made phytic acid-induced graphene SPME fiber exhibited excellent extraction efficiency for the analysis of nerolidol in tea samples. Under the optimized conditions, the linear range of working curve was found to be 1-1000 ng/g, and the limit of detection of nerolidol was 0.18 ng/g. The coefficient variation of repeatability for each single fiber and reproducibility for fiber to fiber was less than 3.9% and 83%, respectively. (C) 2017 Chinese Chemical Society and Institute of Materia Medica, Chinese Academy of Medical Sciences. Published by Elsevier B.V. All rights reserved.
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