Macerate the solids with the alcohol and vinegar.
Vinaigre de Cologne.
| Cologne water | 1 qt. |
| Glacial acetic acid | 1¾ oz. |
As this vinegar is made by mixing an alcoholic perfume with acetic acid, so all other alcoholic perfumes may be employed for a like purpose; but the quantities must be determined by experiment, for the various aromatics differ in the intensity of their odor.
Vinaigre étheré.
| Glacial acetic acid | 14 oz. |
| Acetic ether | 1½ oz. |
| Nitrous ether | ¾ oz. |
| Water | 5 qts. |
The water should be added after the ethers have been dissolved in the glacial acetic acid.
Vinaigre de Lavande.
| Lavender water | 4 qts. |
| Rose water | 1 pint. |
| Glacial acetic acid | ½ lb. |
To be stained a bluish color with indigo-carmine.