Separation of silver from acid solution. historical engraving. This process,called precipitation,occurs after silver has been separated from gold by dissolving it in acid. A flux (catalyst) is added to the solution,which when heated causes the silver to precipitate out. Taken from The Laws of Art and Nature,in Knowing,Judging,Assaying,Fining,Refining and Inlarging the Bodies of Confin'd Metals (1683),John Pettus,a translation of the work by Lazarus Ercken | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Bernard, George |
Bildgröße: | 3478 px × 5244 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |