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Table 5 Comparison between analysis of unrecorded alcohols with a laboratory FTIR instrument and the portable infrared spectrometer

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

Alcohol type, origin FTIR result (% vol) Infrared spectroscopy result (% vol)
Fruit spirit, Croatia 45.8 44.4
Vodka 1, UK 37.0 36.8
Vodka 2, UK 37.5 37.2
Vodka 3, UK 36.6 36.3
Spirit, Poland 41.5 40.9
Spirit, Poland 44.6 45.1
Spirit, Poland 49.1 48.4
Spirit, Poland 49.4 48.7
Spirit, Poland 48.0 48.2
Spirit, Poland 47.4 47.2
Spirit, Poland 48.7 48.7
Spirit, Poland 39.5 40.9
Spirit, Poland 48.7 48.5