Test tube and rack. Test tubes are usually made from borosilicate glass,a combination of silica and boron oxide. This is resistant to thermal shock such as experienced during heating with a Bunsen burner | |
Licence : | Droits gérés |
Crédit: | Science Photo Library / Chillmaid, Martyn F. |
Taille de l’image : | 3430 px × 5125 px |
Model Release : | Non requis |
Property Release : | Non requis |
Restrictions : | - |