Important: Safety Warning
This page describes trade processes that use dangerously toxic materials such as cyanide solutions, mercury amalgams, or strong acids. These processes require training, equipment, and precautions far beyond what the text describes.
In addition, this page presents medical treatment from an era before modern medicine. The remedies described are ineffective against the conditions named, and some of the ingredients or doses are harmful. Do not use them to treat any illness; consult a qualified medical professional.
This information has been left in for historical purposes but should not be acted upon.
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Copper Amalgam
Copper latter is squeezed out through a piece of amalgam is best obtained by first precipitat chamois leather, and the amalgam at once ing metallic copper in a fine state of division applied to the tooth. (See No. 3550.) This from a solution of 3 ounces of blue vitriol in a cement is recommended by Mr. Evans as very quart of water mixed with an ounce of oil of durable and unobjectionable.
Its color is vitriol, by means of clean wrought iron; intermediate between that of silver and tin, then, after washing it thoroughly with hot but it is said not to darken so readily as the water, moistening the powder with a solution simple amalgams of those metals. (See No. of proto-nitrate of mercury, and finally in- 3544.) corporating it under water in a mortar with the required quantity of mercury. This amalgam, like the hard amalgam of tin, has the property of being softened and rendered plastic by mere trituration with a pestle.
The proportions are generally 3 parts of copper to 7 of mercury.