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 | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Chillmaid, Martyn F. |
Taille de l’image : | 3840 px × 5760 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |