Basic facts: |
Volume of 1 kg dissolved sugar = 0,63 litres Weight of 1 litre of dissolved sugar = 1,59 kgVolume of 1 kg extract = 0,63 litresWeight of 1 litre of dissolved extract = 1,59 kgWeight of 1 litre alcohol = 0,8 kg (800 grammes).
Weight of 1 litre of water = 1 kg (1 000 grammes) |
Wine comprises: |
Residual sugar2-5% (20-50 grammes/litre) extract (unfermented residues such as colour, taste, vegetable matter, aromatics)AlcoholWater |
Example, a white wine with 10% alcohol: |
Residual sugar |
17 ml |
27 grammes sugar (17 x 1.59) |
Extract 3% |
19 ml |
30 grammes extract (19 x 1.59) |
Alcohol |
100 ml |
80 grammes (100 x 0.08) |
Water |
864 ml |
864 grammes |
This gives 1 001 grammes = 1001 degree on (specific gravity) the hydrometer |
|
27 grammes
30 grammes
80 grammes864 grammes
1 001 grammes1001 degree on the hydrometer (specific gravity) |