Table 13.
Intercomparison between the three techniques Gravimetry, Spectroscopic XRF and AAS. Second Approach.
| % Ca obs mass |
% Ca calc mass |
% Ca read mass |
|
|---|---|---|---|
| 1 | 0 | 0 | 0 |
| 2 | 1.7 | 8.7 | 7.0 |
| 3 | 2.9 | 9.3 | 7.9 |
| 4 | 4.0 | 16.2 | 9.9 |
| 5 | 5.1 | 17.6 | 10.9 |
| 6 | 8.0 | 24.8 | 16.9 |
| 7 | 9.8 | 31.5 | 18.9 |
| 8 | 12.0 | 40.1 | 25.4 |
| 9 | 14.3 | 41.0 | 25.5 |
| 10 | 15.3 | 42.5 | 27.2 |
| 11 | 16.2 | 44.1 | 25.1 |
| 12 | 18.9 | 49.3 | 29.2 |
| 13 | 19.7 | 52.5 | 30.7 |
| 14 | 21.9 | 52.4 | 31.9 |
| 15 | 22.8 | 51.2 | 32.2 |
| 16 | 24.0 | 59.1 | 34.4 |
| 17 | 25.0 | 57.1 | 36.8 |
| 18 | 25.9 | 59.8 | 37.1 |
| 19 | 27.3 | 57.8 | 36.9 |
| 20 | 29.7 | 59.2 | 33.4 |
| 21 | 29.6 | 66.3 | 39.7 |
| Gravimetry | XRF | AAS | |