Discovery of potassium. The apparatus used by Sir Humphrey Davy in 1807 to isolate potassium metal from 'caustic potash',or potassium hydroxide. This was obtained by electrolysis,passing the current from a large voltaic pile through the molten hydroxide. Potassium was the first metal isolated by electrolysis. This object is on display at the Royal Institution,London | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Royal Institution of Great Britain |
Bildgröße: | 6113 px × 4585 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |