AI´N 8.
THE METHOD OF SEPARATING THE SILVER FROM THE GOLD.

They melt this composition six times; three times with copper, and three times with sulphur, called in Hind. chhachhiyá. For every tólah of the alloy, they take a máshah of copper, and two máshahs, two surkhs of sulphur. First, they melt it with copper, and then with sulphur. If the alloy be of 100 tólahs weight, the 100 máshahs of copper are employed as follows:—they first melt fifty máshahs with it, and then twice again, twenty-five máshahs. The sulphur is used in similar proportions. After reducing the mixture of gold and silver to small bits, they mix with it fifty máshahs of copper, and melt it in a crucible. They have near at hand a vessel full of cold water, on the surface of which is laid a broomlike bundle of hay. Upon it they pour the melted metal, and prevent it, by stirring it with a stick, from forming into a mass. Then having again melted these bits, after mixing them with the remaining copper in a crucible, they set it to cool in the shade: and for every tólah of this mixture, two máshahs and two surkhs of sulphur are used, i. e., at the rate of one and one half quarter sér (13/8 sér) per 100 tólahs. When it has been three times melted in this manner, there appears on the surface a whitish kind of ashes, which is silver. This is taken off, and kept separate; and its process shall hereafter be explained. When the mixture of gold and silver has thus been subjected to three fires for the copper, and three for the sulphur, the solid part left is the gold. In the language of the Panjáb, this gold is called kail, whilst about Dihlí, it is termed pinjar. If the mixture contained much gold, it generally turns out to be of 6½ bán, but it is often only five, and even four.

In order to refine this gold, one of the following methods must be used: Either they mix fifty tólahs of this with 400 tólahs of purer gold, and refine it by the Salóní process; or else they use the Alóní process. For the latter they make a mixture of two parts of wild cowdung, and one part of saltpetre, Having then cast the aforesaid pinjar into ingots, they make it into plates, none of which ought to be lighter than 1½ tólahs, but a little broader than those which they make in the saloni process. Then having besmeared them with sesame-oil, they strew the above mixture over them, giving them for every strewing two gentle fires. This operation they repeat three or four times; and if they want the metal very pure, they repeat the process till it comes up to nine bán. The ashes are also collected, being a kind of k'haral.