Publisher's Synopsis
Excerpt from Recovering Precious Metals From Waste Liquid Residues
The quantity of soluble gold, silver, and platinum that exists in some of the waste liquids resulting from the manufacture of jewellery, Silver plate, and personal ornament is considerable, and as these metals are of high value, it is of paramount import ance that all operations in which they are used in the industrial arts Should be conducted with great care, as regards unnecessary wastage resulting from the different modes of treatment, and that all the waste products be strictly preserved and correctly treated at intervals for the extraction of the precious metals.
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