File:Ra_bromid.jpg
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Ra_bromid.jpg (294 × 166 pixels, file size: 11 KB, MIME type: image/jpeg)
Description |
English: 2.5 grams of radium bromide in a weighing tube. Due to the strong radioactivity of radium compounds, they glow in the dark. The photographic image was taken with the preparation of the self-emitted light. |
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Source |
http://www.chemie-master.de/FrameHandler.php?loc=http://www.chemie-master.de/pse/pse.php?modul=Ra |
Article | |
Portion used |
Full image. |
Low resolution? |
Yes. |
Purpose of use |
To depict the subject of the article. |
Replaceable? |
Radium, like its compounds, is very toxic and radioactive; a photograph cannot be taken at home, therefore, substitution is impossible. |
Fair useFair use of copyrighted material in the context of Radium bromide//en.wikipedia.org/wiki/File:Ra_bromid.jpgtrue |
This work is copyrighted (or assumed to be copyrighted) and unlicensed. It does not fall into one of the blanket acceptable non-free content categories listed at Wikipedia:Non-free content § Images or Wikipedia:Non-free content § Audio clips, and it is not covered by a more specific non-free content license listed at Category:Wikipedia non-free file copyright templates. However, it is believed that the use of this work:
qualifies as fair use under United States copyright law. Any other uses of this image, on Wikipedia or elsewhere, may be copyright infringement. See Wikipedia:Non-free content and Wikipedia:Copyrights. | |
File history
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Date/Time | Thumbnail | Dimensions | User | Comment | |
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current | 08:12, 21 April 2011 | 294 × 166 (11 KB) | Lanthanum-138 (talk | contribs) | Reverted to version as of 17:48, 18 April 2011 |
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Metadata
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Orientation | Normal |
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Horizontal resolution | 150 dpi |
Vertical resolution | 150 dpi |