Positive test for chlorine. At left,a moist blue litmus paper is held over a test tube of chlorine. At right,the chlorine vapour turns the strip red and then bleaches it white. Blue litmus paper turns red under acidic conditions | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Chillmaid, Martyn F. |
Bildgröße: | 5166 px × 3483 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: | - |