Table 2 Nanoparticles mean diameters at three different days from their preparation by three different methods, by DLS measurements on static sample
From: Experimental stability analysis of different water-based nanofluids
Day from preparation | Diameter peak 1 (nm) | Diameter peak 2 (nm) | Diameter peak 3 (nm) | |
|---|---|---|---|---|
Ball milling method | ||||
CuO | 1 | 1843 | 5560 | |
4 | 342 | |||
TiO2 | 1 | 1281 | ||
4 | 532 | |||
Sonication method | ||||
CuO | 1 | 452 | 4923 | |
4 | 197 | |||
15 | 405 | 1407 | 5560 | |
TiO2 | 1 | 173 | ||
4 | 154 | |||
15 | 95 | |||
SWCNH | 1 | 151 | 4830 | |
4 | 169 | 4526 | ||
15 | 147 | 4370 | ||
Homogenization method | ||||
CuO | 1 | 1248 | 4968 | |
5 | 280 | |||
TiO2 | 1 | 196 | 4936 | |
5 | 141 | |||
15 | 117 | |||
SWCNH | 1 | 107 | ||
5 | 132 | 4714 | ||
15 | 169 | 4701 | ||