1. AOAC Official Method 942.06 Alcohol by Volume in Distilled Liquors Pycnometer Method (1942).
2. Modular distillation unit, KjelFlex K-360 (BUCHI): available in: https://bit.ly/2pZoSvh
3. A rapid method for determination of ethanol in alcoholic beverages using capillary gas chromatography;Wang;J. Food Drug Anal.,2003
4. Determination of ethanol in fuel ethanol and beverages by Fourier transform (FT)-near infrared and FT-Raman spectrometries;Mendes;Anal. Chim. Acta,2003
5. Non-destructive determination of ethanol levels in fermented alcoholic beverages using Fourier transform mid-infrared spectroscopy;Debebe;Chem. Cent. J.,2017