The separation of gold and silver when the two metals compose an alloy, whether native or artificial, for the purpose of obtaining the metals respectively, in the form of fine bars (Bars containing 90% pure metal are generally considered fine bars )
Your parting words or actions are the things that you say or do as you are leaving a place or person. Her parting words left him feeling empty and alone
delivered at the moment of parting as if in flight or retreat; "paused to deliver a parting shot at the door"; "a Parthian volley of expletives from Uncle Billy"- Bret Harte
When there is a parting of the ways, two or more people or groups of people stop working together or travelling together. a negotiated parting of the ways for the three Baltic republics. In metallurgy, the separation of gold and silver by chemical or electrochemical means. Gold and silver are often extracted together from the same ores or recovered as by-products from the extraction of other metals. A solid mixture of the two, known as bullion or doré, can be parted by boiling in nitric acid. The silver is dissolved as silver nitrate, leaving a gold residue that is filtered off and washed; silver is precipitated out of solution by adding ferrous sulfate. This is the traditional method used in assaying the content of gold and silver samples