Table 4: The results of several line-scans across the RZ-EP/SB interface detected by EDX.
| Age group | Parameter | ||
| The measured chemicaltransition zone, μm | The mean value of transitionzone width, μm | Number of pixels perscanned line | |
| 20 days old | 38.7 | 39.6 ± 19.0 | 317 |
| 35.5 | 291 | ||
| 25.8 | 204 | ||
| 72.2 | 99 | ||
| 26.0 | 68 | ||
| 35 days old | 24.0 | 29.0 ± 14.3 | 43 |
| 26.0 | 213 | ||
| 17.0 | 212 | ||
| 54.0 | 55 | ||
| 24.0 | 100 | ||
| 480 days old | 22.0 | 18.4 ± 4.3 | 184 |
| 16.0 | 183 | ||
| 18.4 | 151 | ||
| 16.5 | 135 | ||
| 12.9 | 106 | ||
| 25.0 | 86 | ||