Ferrous sulphate crystals. This iron salt can be used medicinally to treat iron deficiency. It is also used as a colourant in ink and dyes,in horticulture,and in gold refining. It is produced as a by product of pickling steel in sulphuric acid | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Chillmaid, Martyn F. |
Bildgröße: | 3840 px × 5760 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |