Monday, 10 November 2025

HOW TO DETERMINE ALCOHOL IN WINE (DISTILLATION + DENSITY)

DETERMINATION OF ALCOHOL IN WINE (DISTILLATION + DENSITY)

AIM:
To measure ethanol content in wine.

APPARATUS:
Distillation setup, pycnometer or alcohol hydrometer.

REAGENT:
None.

PRINCIPLE:
Ethanol is distilled and measured based on density.

PROCEDURE:

  • Distill 100ml of wine.

  • Collect distillate and measure density at 20°C.

  • Refer to alcohol tables.

CALCULATION:
% Alcohol = Based on density from standard chart.

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