Bunsen burner flames. Blue flames over three different types of Bunsen burner. The blue colour indicates that the gas is burning completely in oxygen | |
Lizenzart: | Lizenzpflichtig |
Credit: | Science Photo Library / Winters, Charles D. |
Bildgröße: | 3762 px × 4947 px |
Modell-Rechte: | nicht erforderlich |
Eigentums-Rechte: | nicht erforderlich |
Restrictions: |
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