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

Table 3

Statistical processing of the experiment.

[g/L]	–lg	()	σ
2·10^−6	5.7	17.47	2.12	10	1.31	0.05
10^−6	6.0	13.37	1.97	10	1.22	0.05
2·10^−7	6.7	8.87	1.87	10	1.15	0.05
10^−7	7.0	7.17	1.51	10	0.93	0.05
2·10^−8	7.7	5.02	1.43	10	0.89	0.05

Note: C is the concentration of pyrene; (mean) the arithmetic mean of the values of ; σ the standard deviation; N the sample size; d the confidence interval; p the critical level of significance.