[Automatic determination of the alcohol level of dry wines].
An automated technique for the alcoholometric grade determination based upon measurement of dilution heat of ethanol in wine and appropriate reagent was tested. Interferences with wine other components was studied along with methods to minimize them. Two sets of determinations on more than 100 samples of various qualities (red wines, roses wines, white wines) and various geographical sources were performed and they were compared with the pycnometric reference technique. It is shown than this comparative study that for almost 95 p. 100 of the samples the alcoholometric grade can be determined with this automated technique with an accuracy better than 0,1 p. 100.
D001322:Autoanalysis / Q000379:methods; D000431:Ethanol / Q000032:analysis*; D014920:Wine / Q000032:analysis* / Q000592:standards
D000431:Ethanol
Détermination automatique du titre alcoométrique des vins secs.