A course of six lectures on the chemical history of a candle [electronic resource]: to which is added, a lecture on platinum (1865)
Faraday, Michael, 1791-1867, Crookes, William, 1832-1919 · London : Charles Griffin and Company · leaf 203
he table. Hemay get it as high as 78 per cent, of platinum,and 22 of lead; or 5, or 10, or 15 of platinum,and 95, or 90, or 85 of lead (which he callsweak platinum), and he then places it in the kindof vessel that you see before you. Suppose wehad the mixture here; we should have to makeit hot, and… … Pig. 36. state into a vessel.placed to receive it, and theplatinum remains behind. Here is the process which Deville adopts forthe purpose of casting off the lead after he hasgot out the platinum from the ore. (Havingmade use of your friend, you get rid of himas quickly as you can.) He gets his…
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