Skip to main content

Table 4 Validation results for total dry extract calculated from results of infrared spectroscopy and density meter

From: Rapid and mobile determination of alcoholic strength in wine, beer and spirits using a flow-through infrared sensor

  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