REFINING WAX WITH SULPHURIC ACID
On a small scale this may be done in an agate or porcelain-lined kettle. Mr, Root even advises on occasion the use of a large iron kettle. The kettle is filled half full of water, 100 parts to one part acid, and is brought nearly to the boiling point over a slow fire; the wax is then added and is kept hot for a little time after it is melted, and then the fire is allowed to die down; as soon as it is cool enough so that the dirt has settled, the wax is dipped off, great care being taken not to stir up the settlings. If an iron kettle is used it should afterward be thoroughly washed with boiling water, and rubbed with fresh lard or some other unsalted grease to stop the action of the acid upon it. Beeswax may be bleached by exposing it in thin sheets to the sunlight.
ADULTERATED BEESWAX
Dishonest dealers have attempted to adulterate beeswax with several substances; tallow, paraffine and cerasin being more commonly used. Tallow or other greasy adulterants may be detected by the smell; and because the cakes of wax containing them feel and look greasy. But paraffine and cerasin are not so easily detected by the eye or feel. The specific gravity test is the one used by dealers. A piece of wax known to be pure is placed in a jar of water, and enough alcohol is added so that the wax will just settle to the bottom. Then a piece of the suspected wax is placed in the jar, and if it contains
