Optical sensor for fluoride determination in tea sample based on evanescent-wave interaction and fiber-optic integration

Talanta ◽  
2017 ◽  
Vol 174 ◽  
pp. 372-379 ◽  
Author(s):  
Yan Xiong ◽  
Jiayi Wu ◽  
Qing Wang ◽  
Jing Xu ◽  
Shenwen Fang ◽  
...  
2009 ◽  
Vol 63 (8) ◽  
pp. 932-935 ◽  
Author(s):  
Jian Zhang ◽  
Feibing Xiong ◽  
Nicholas Djeu

The influence of particulates on sapphire fiber evanescent wave absorption by water has been studied. Suspensions containing microsized graphite flakes and glassy carbon powder were used. Conventional free-space transmittance measurements of these samples showed strong absorption and scattering, which severely screened the absorption by water. However, the absorption on the water band determined from the evanescent wave interaction was unaffected by the presence of the graphite flakes. These results indicate that fiber-optic evanescent wave chemical sensors may be suitable for process control applications involving turbid reactor streams.


2016 ◽  
Vol 168 ◽  
pp. 117-120 ◽  
Author(s):  
S. Chauhan ◽  
N. Punjabi ◽  
D. Sharma ◽  
S. Mukherji

1996 ◽  
Vol 60 (3) ◽  
pp. 189-202 ◽  
Author(s):  
E. A. James ◽  
K. Schmeltzer ◽  
F. S. Ligler
Keyword(s):  

1998 ◽  
Vol 51 (1-3) ◽  
pp. 152-158 ◽  
Author(s):  
Petr Tobiška ◽  
Miroslav Chomát ◽  
Vlastimil Matějec ◽  
Daniela Berková ◽  
Ivan Hüttel

1994 ◽  
pp. 84
Author(s):  
Peter Oroszlan ◽  
Verena Steiner ◽  
Michael Weller ◽  
Gert Duveneck ◽  
Markus Ehrat

1992 ◽  
pp. 308-315 ◽  
Author(s):  
Frances S. Ligler ◽  
Lisa C. Shriver-Lake ◽  
Robert A. Ogert
Keyword(s):  

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