Table 2. The correlation analysis of different fluorescent substances.

	Peak Ain	Peak Bin	Peak Cin	Peak Din	Peak Aex	Peak Bex
Peak Ain	1.000	0.836**	0.314	−0.134	0.327	0.215
Peak Bin	0.836**	1.000	0.342	.0.155	0.124	0.264
Peak Cin	0.314	0.342	1.000	0.668*	−0.014	0.033
Peak Din	−0.134	0.155	0.668*	1.000	−0.428	−0.119
Peak Aex	0.327	0.124.	−0.014	−0.428	1.000	0.702*
Peak Bex	0.215	0.264	0.033	−0.119	0.702*	1.000