Table 1. ζ-Potential and Average Size of AuNPs Produced by This Method at Various pH Conditions.
| pH |
|||
|---|---|---|---|
| parameter | 3.5 | 9.5 | 11.5 |
| ζ-potential (mV) | +27.0 + 8.32 | –31.1 + 8.01 | –32.1 + 8.14 |
| average particle size (nm) | 9.8 + 3.20 | 5.4 + 1.02 | 4.5 + 1.02 |
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