Table 3.
Repeatability test of calorific analysis using benzoic acid.
| Times | Mass of benzoic acid (g) | Calorific value (kcal/kg) |
|---|---|---|
| 1 | 0.9998 | 6,316 |
| 2 | 0.9994 | 6,315 |
| 3 | 1.0002 | 6,317 |
| 4 | 0.9993 | 6,315 |
| 5 | 0.9989 | 6,314 |
|
| ||
| Mean | 6,315 | |
| S.D. | 1.14 | |
| RSD (%) | 0.018 | |
| S.E. | 0.5 | |
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