Research Article
Considerable Variation of Antibacterial Activity of Cu Nanoparticles Suspensions Depending on the Storage Time, Dispersive Medium, and Particle Sizes
Table 2
рН value of Cu 50 nanoparticle suspensions.
| Concentration (mg/L) | Cu 50 + H2O (0.5 h) | Cu 50 + H2O (24 h) | Cu 50 + PS (0.5 h) | Cu 50 + PS (24 h) |
| 0.0001 | 7.6 | 7.0 | 7.2 | 7.1 | 0.001 | 7.6 | 7.1 | 7.2 | 7.1 | 0.01 | 7.3 | 7.1 | 7.1 | 7.2 | 0.1 | 7.3 | 7.2 | 7.1 | 7.2 | 1 | 7.3 | 7.2 | 7.2 | 7.2 | 10 | 7.4 | 7.2 | 7.3 | 7.2 |
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