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Author: Subject: Radium extration
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[*] posted on 9-2-2017 at 01:04

Interesting approach, but what is the function of the COCl2 in this setup?
If it is somehow critical to the functioning of this method, it would be difficult to do safely for most amateurs.

"If a rocket goes up, who cares where it comes down, that's not my concern said Wernher von Braun" - Tom Lehrer
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Heavy Walter
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[*] posted on 9-2-2017 at 04:23

Good eye phlogiston!
I guess is a typo for CaCl2.
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[*] posted on 9-2-2017 at 08:05

Or perhaps this is supposed to be CoCl2 to refer to a dryness indicator in what looks like a drying tube?

I looked at my copy of Melissinos, it is older, I have this as Fig 5.15, it also says 'COCl2' but there is no discussion of this component in the text. I cannot imagine that this actually calls for COCl2.
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