Solvent Effect on the Solid-Surface Fluorescence of Pyrene on Cellulose Diacetate Matrices

Table 2

The fluorescence intensity of pyrene sorbed onto CDA matrices from aqueous media containing the solvent with several concentrations.

Solvent concentration in the sorbate, vol%	of pyrene ( = 394 nm) in the solid phase after sorption from the aqueous medium containing:
	ethanol	DMSO
0.2	72.3±4.1	80.2±5.0
1.2	121.2±5.5	204.3±7.4
2.2	109.7±6.3	195.4±6.1
4.2	114.4±5.1	188.5±6.6
6.2	104.2±4.1	150.1±7.3
10.0	92.5±3.6	132.2±5.4
15.0	87.0±5.2	126.5±5.3
20.0	83.6±6.3	98.1±6.2