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.
This information has been left in for historical purposes but should not be acted upon.
Home › Silver › To Obtain Pure Silver
To Obtain Pure Silver
Pure silver is obtained by placing a copper rod in a solution of nitrate of silver, digesting the precipitate in caustic ammonia, and washing with water; or by boiling recently precipitated and still moist chloride of silver in a bright iron vessel along with water. (See No. 3536.) 3217. Silver Dust. Take silver, dissolve it in slightly diluted nitric acid, and sulphuric acid. Dissolve 1 part nitre in 10 precipitate it with slips of bright copper;