Table 5 Fluorescence raw data for the smaller TiO2 nanoparticles dispersed by 1 min stirring followed by 3 min ultrasonication
TiO2 concentration [mg/L] | |||||||||
|---|---|---|---|---|---|---|---|---|---|
0 (Control) | 3.7 | 7 | 11 | 22 | 33 | 44 | 66 | 100 | |
0 h | |||||||||
Mean value | 233.0 | 228.3 | 229.2 | 233.2 | 234.2 | 231.8 | 238.8 | 237.5 | 235.0 |
Standard deviation | 5.7 | 6.0 | 5.1 | 4.6 | 4.7 | 4.5 | 1.6 | 8.0 | 6.1 |
Variance [%] | 2.5 | 2.6 | 2.2 | 2.0 | 2.0 | 2.0 | 0.7 | 3.4 | 2.6 |
24 h | |||||||||
Mean value | 612.7 | 621.5 | 619.2 | 598.0 | 563.8 | 535.5 | 535.5 | 537.8 | 518.5 |
Standard deviation | 41.8 | 17.1 | 22.1 | 24.2 | 32.5 | 20.9 | 18.0 | 24.1 | 10.0 |
Variance [%] | 6.8 | 2.8 | 3.6 | 4.0 | 5.8 | 3.9 | 3.4 | 4.5 | 1.9 |
48 h | |||||||||
Mean value | 1829.8 | 1860.3 | 1623.3 | 1407.0 | 1190.2 | 905.3 | 819.0 | 933.2 | 965.5 |
Standard deviation | 268.2 | 100.6 | 59.1 | 112.2 | 378.2 | 50.8 | 20.9 | 46.1 | 47.8 |
Variance [%] | 14.7 | 5.4 | 3.6 | 8.0 | 31.8 | 5.6 | 2.6 | 4.9 | 5.0 |
72 h | |||||||||
Mean value | 6630.7 | 6587.8 | 6219.7 | 4221.5 | 2211.5 | 1783.3 | 1756.3 | 2153.3 | 2257.5 |
Standard deviation | 495.9 | 356.0 | 195.3 | 667.8 | 119.0 | 128.6 | 142.8 | 87.4 | 224.7 |
Variance [%] | 7.5 | 5.4 | 3.1 | 15.8 | 5.4 | 7.2 | 8.1 | 4.1 | 10.0 |