Chrome alum in alkaline solution. Image showing the typical green colour of the Cr(H2))2(OH)4- ions seen when an alkali is added to a solution of chrome alum,(K2SO4.Cr(SO4)3.2H2O) | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Trevor Clifford Photography |
Bildgröße: | 2656 px × 3967 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |