Polesch
Harmless
Posts: 23
Registered: 9-7-2011
Location: Norway
Member Is Offline
Mood: No Mood
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Ampules and glass tube sealing
I have some chemicals that I would like to seal in a nice glass tube, but I've never done any glass melting before. I'm basically asking .. How would
I go about doing that? Should I order some closed ended test tubes, and melt the ends together? Could I buy ampules that are more easy to seal? Any
easy tricks to remove any oxygen in the tube before sealing?
I have a few grams of this 'beautiful' NaK, a sodium-potassium alloy. Liquid at room temperature. I have it stored in mineral oil at the moment, but
I'm a bit afraid to seal the ampule with mineral oil in it (flammable), and it doesn't like air too much either (forming potassium superoxide).
Thank you all.
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Magpie
lab constructor
Posts: 5939
Registered: 1-11-2003
Location: USA
Member Is Offline
Mood: Chemistry: the subtle science.
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There is at least one good thread on ampoule making on this forum. Use the search function to find it (them).
The single most important condition for a successful synthesis is good mixing - Nicodem
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