Table 6.
Mass loss investigation results
| Specimen* | Initial mass (mg) | Mass after degradation (mg) | Mass loss (mg) | Average m/l type specimens (mg) | Average all specimens (mg) | Mass loss (%) | Average m/l type specimens (%) | Average all specimens [%] |
|---|---|---|---|---|---|---|---|---|
| 2(24 h)l | 541.90 | 541.89 | 0.01 | 0.01 | 0.01 | 0.002 | 0.020 | 0.002 |
| 3(24 h)l | 528.62 | 528.61 | 0.01 | 0.002 | ||||
| 2(24 h)m | 640.10 | 640.10 | 0.00 | 0.01 | 0.000 | 0.015 | ||
| 3(24 h)m | 637.65 | 637.63 | 0.02 | 0.003 | ||||
| 2(72 h)l | 541.62 | 541.46 | 0.16 | 0.15 | 0.16 | 0.030 | 0.028 | 0.026 |
| 3(72 h)l | 543.24 | 543.10 | 0.14 | 0.026 | ||||
| 2(72 h)m | 636.49 | 636.34 | 0.15 | 0.16 | 0.024 | 0.025 | ||
| 3(72 h)m | 654.08 | 653.91 | 0.17 | 0.026 | ||||
| 2(1w)l | 549.67 | 549.89 | -0.22 | -0.69 | -0.86 | -0.040 | -0.129 | -0.144 |
| 3(1w)l | 533.43 | 534.59 | -1.16 | -0.217 | ||||
| 2(1w)m | 637.74 | 638.16 | -0.42 | -1.02 | -0.066 | -0.159 | ||
| 3(1w)m | 644.42 | 646.04 | -1.62 | -0.251 | ||||
| 2(2w)l | 554.47 | 554.95 | -0.48 | –0.61 | -0.66 | -0.087 | -0.112 | -0.112 |
| 3(2w)l | 542.30 | 543.04 | -0.74 | -0.136 | ||||
| 2(2w)m | 623.90 | 624.85 | -0.95 | -0.70 | -0.152 | -0.112 | ||
| 3(2w)m | 632.47 | 632.92 | -0.45 | -0.071 | ||||
| 2(3w)l | 554.47 | 543.67 | -0.95 | -1.14 | -1.34 | -0.175 | -0.209 | -0.224 |
| 3(3w)l | 542.30 | 548.17 | -1.33 | -0.243 | ||||
| 2(3w)m | 623.90 | 640.65 | -1.13 | -1.54 | -0.177 | -0.239 | ||
| 3(3w)m | 632.47 | 648.76 | -1.95 | -0.301 | ||||
| 2(4w)l | 552.73 | 555.31 | -2.58 | -2.24 | -2.48 | -0.467 | -0.408 | -0.413 |
| 3(4w)l | 545.68 | 547.58 | -1.90 | -0.348 | ||||
| 2(4w)m | 651.76 | 654.86 | -3.10 | -2.67 | -0.476 | -0.419 | ||
| 3(4w)m | 642.21 | 644.53 | -2.32 | -0.361 |
*l/m indicates lateral/medial WSPSI