**7. References**


**Section 4** 

**Fluorescence Spectroscopy** 

[6] Qian Hao, Zhu Ya-fei, XU Jia-rui Spectroscopy and Spectral Analysis, 2003, 23 (4): 708- 713

<sup>[7]</sup> Chen Jia-xing, Joseph A. Gardella Jr. Appl. Spectroscopy, 1998, 52(3): 361.
