Table 4 Validation results for total dry extract calculated from results of infrared spectroscopy and density meter
Repeatability conditions (n = 5) | Within-laboratory reproducibility conditions (n = 5) | |||||||
|---|---|---|---|---|---|---|---|---|
Sample | Mean (g/L) | SD (g/L) | r (g/L) | RSD [%] | Mean (g/L) | SD (g/L) | R (g/L) | RSD [%] |
Wine 1 | 209.8 | 0.07 | 0.21 | <0.01 | 207.5 | 2.50 | 6.99 | 1.20 |
Wine 2 | 72.3 | 0.12 | 0.34 | 0.17 | 74.4 | 1.83 | 5.13 | 2.46 |
Wine 3 | 37.8 | 0.05 | 0.14 | 0.13 | 39.1 | 0.95 | 2.65 | 2.43 |
Wine 4 | 21.8 | 0.05 | 0.14 | 0.22 | 23.5 | 1.00 | 2.80 | 4.25 |
Wine 5 | 29.9 | 0.05 | 0.14 | 0.16 | 31.7 | 1.16 | 3.25 | 3.66 |
Wine 6 | 114.5 | 0.08 | 0.22 | 0.07 | 116.1 | 0.92 | 2.57 | 0.79 |