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Final Au/Fe ratio by AAS of Au coated iron oxide nanoparticles for a total Au3+/Fe mass ratio of 0.50 with different numbers of precursor iterations
| Number of iterations | Au/Fe | Extinction coefficient at 755 nm (cm2/µg Au) |
|---|---|---|
| 1 | 2.40 | 0.040 |
| 3 | 1.30 | 0.043 |
| 5 | 0.84 | 0.050 |
