Figure 7.

Nanoparticles' mean diameter. Diameter in relation to the time elapsed from the day of preparation, for water containing (a) 0.01 wt.% SWCNHs + 0.01 wt.% SDS: (filled circle) static, (open circle) shaken; 0.01 wt.% SWCNHs + 0.03 wt.% SDS: (filled triangle) static, (empty triangle) shaken; (b) 0.1 wt.% SWCNHs + 0.1 wt.% SDS: (filled circle) static, (open circle) shaken; (c) 1 wt.% SWCNHs + 1 wt.% SDS: (filled circle) static, (open circle) shaken.

Fedele et al. Nanoscale Research Letters 2011 6:300   doi:10.1186/1556-276X-6-300
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