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Antique from 1910 that glows blue-- is this radium?

Started by Granicha, Apr 01, 2022, 04:55

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Marlin

#1
Apr 01, 2022, 05:16
Is the glow constant or does it dissipate over time in the dark?

Granicha

#2
Apr 01, 2022, 05:35
Quote from: Marlin on Apr 01, 2022, 05:16
Is the glow constant or does it dissipate over time in the dark?
It dissipates over time and has to spend time in light before it can glow again.

Marlin

#3
Apr 01, 2022, 05:43
Quote from: Granicha on Apr 01, 2022, 05:35
It dissipates over time and has to spend time in light before it can glow again.


Phosphorus radium would not dissapate.
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