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File:Flametest-Co-.swn.jpg
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Fichier:Flametest-Co-.swn.jpg
Gas flame used for flame test. Photographed through cobalt glass (blue). The cobalt glass I had available was a little thin, so the color filtering is
Fichier:Flametest-Co-Na.swn.jpg
Attribution-Share Alike 2.5 truetrue English Wikimedia username:
Swn
URL: https://commons.wikimedia.org/wiki/user:
Swn
author name string: Søren Wedel Nielsen determination
Fichier:Flametest-Co-Cu.swn.jpg
Gas flame used for flame test of coppersulphate. Photographed through cobalt glass (blue). The cobalt glass I had available was a little thin, so the color