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Table 3 Validation results for density measured with density meter (integrated into the infrared spectrometer)

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

  Repeatability conditions
(n = 5 for wine, n = 10 for beer and spirits)
Within-laboratory reproducibility conditions
(n = 5 for wine, n = 6 for beer and spirits)
Sample Mean
(kg/L)
SD
(kg/L)
r
(kg/L)
RSD
[%]
Mean
(kg/L)
SD
(kg/L)
R
(kg/L)
RSD
[%]
Wine 1 1.0617 0.00004 0.00011 0.0038 1.0611 0.00063 0.00178 0.0598
Wine 2 1.0125 0.00004 0.00011 0.0040 1.0133 0.00071 0.00198 0.0697
Wine 3 0.9986 <0.00001 <0.00001 <0.00001 0.9993 0.00040 0.00113 0.0403
Wine 4 0.9924 <0.00001 <0.00001 <0.00001 0.9931 0.00042 0.00117 0.0421
Wine 5 0.9948 <0.00001 <0.00001 <0.00001 0.9956 0.00052 0.00146 0.0525
Wine 6 1.0250 0.00004 0.00011 0.0039 1.0257 0.00038 0.00106 0.0370
Beer 1 1.0051 0.00079 0.00222 0.0790 1.0059 0.00138 0.00386 0.1372
Beer 2 1.0074 0.00026 0.00072 0.0257 1.0084 0.00090 0.00253 0.0895
Beer 3 0.9958 0.00195 0.00547 0.1961 0.9976 0.00168 0.00470 0.1681
Fruit spirit 0.9502 0.00068 0.00191 0.0719 0.9510 0.00138 0.00387 0.1453