Author Topic: Why sodium don't have a molecular continum at high pressure  (Read 197 times)
dor123
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Why sodium don't have a molecular continum at high pressure « on: August 04, 2022, 07:38:31 AM » Author: dor123
Why sodium don't have a molecular continum at high pressure like thallium and indium have?
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Re: Why sodium don't have a molecular continum at high pressure « Reply #1 on: August 04, 2022, 05:22:12 PM » Author: Medved
Because it does not form molecules at the high temperatures of the arc core?
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Re: Why sodium don't have a molecular continum at high pressure « Reply #2 on: August 09, 2022, 04:54:28 PM » Author: James
In a typical HPS lamp there is some radiation of this kind, because sodium forms quasi-molecules with the xenon gas filling.  This radiation is absent in the neon-filled Penning-start HPS lamps.
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dor123
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Re: Why sodium don't have a molecular continum at high pressure « Reply #3 on: August 10, 2022, 08:43:02 AM » Author: dor123
Are penning start HPS lamps oranger than xenon HPS lamps?
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Re: Why sodium don't have a molecular continum at high pressure « Reply #4 on: August 11, 2022, 06:01:33 PM » Author: James
They tend to be pinker, but it depends also on the mercury vapour pressure.
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