Table 1.
Range of Some Positrons Commonly Used in Plant Studies.a
| Isotope | Rmax (mm) | Rmean (mm) |
|---|---|---|
| 11C | 4.2 | 1.2 |
| 13N | 5.5 | 1.8 |
| 15O | 8.4 | 3.0 |
| 18F | 2.4 | 0.6 |
| 64Cu | 2.5 | 0.7 |
a Rmax and Rmean represent maximum and mean ranges in water, respectively.
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