Study on the Fluorescence Spectra Characteristics of Vinegar-Water Solutions

Table 1

The fluorescence intensities and intensities ratio with different concentrations of two peaks. Among them, “a.u.” indicates arbitrary units.

Fluorescence intensity/a.u.	Concentration/g/L
	0.45	0.9	1.35	1.8	2.25	2.7	3.15	3.6	4.05	4.5
I445	50230	71030	67850	60180	47520	40390	31530	25300	20660	14090
I470	62310	90130	91540	83460	59430	59570	49150	40910	33660	24020
I470/I445	1.2405	1.2689	1.3492	1.3868	1.2506	1.4749	1.5588	1.6170	1.6292	1.7048