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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  
  1. All the nanofluid concentrations are 0.1 wt.%