Sulphate solutions. Bottles containing different sulphate (vitriol) solutions. The solutions seen here are (from left to right): zinc sulphate,iron sulphate,copper sulphate and magnesium sulphate. Sulphates are a group of salts which are generally formed by the reaction between a metal or alkali with sulphuric acid | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Chillmaid, Martyn F. |
Taille de l’image : | 4580 px × 3821 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |