![](http://www.alamy.com/thumbs/6/9E9AE020-1CF7-45A1-B2AE-F8D3A338CE69/2A388E0.jpg)
Potassium permanganate in a glass flask
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Photo credit: © Svetlana Lazarenka / Alamy / Afripics
License: Licensed
Model Released: No
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