Emission spectrum of mercury
Numéro d’image : 11518355
| Emission spectrum of mercury. When atoms of an element are excited (for instance by heating),they return to their state of lowest energy by emitting radiation at specific wavelengths. If this radiation is passed through a spectrometer,a spectrum is produced which displays the element's characteristic emission "lines". The lines are a unique "fingerprint" of an element. Mercury's predominant lines (right to left) are at 5791 & 5770 angstroms (yellow),5461 (green),4916 (cyan) & 4358 angstroms (blue). Many fainter lines are not visible in this photograph | |
| Licence : | Droits gérés |
| Crédit: | Science Photo Library / Imperial College / Physics Department |
| Taille de l’image : | 3541 px × 2483 px |
| Model Release : | Non requis |
| Property Release : | Non requis |
| Restrictions : | - |
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