File:Tungsten halogen cycle halogen lamp.svg

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Captions

Captions

tungsten halogen cycle in halogen lamps

Summary[edit]

Description
Deutsch: Wolfram-Atome reagieren mit Kleinstmengen an Iod und Spuren sauerstoffhaltiger Moleküle (z.B. H2O-Spuren) im kälteren Bereich der Glühlampe zu Wolframdioxiddiodid. In einer mehrstufigen Reaktion geht der Iodanteil verloren. In den heißen Bereichen und am Glühfilament dissoziiert schlussendlich das WO2 zu Wolfram und Sauerstofffatomen. Das Wolfram kann sich am Filament wieder ablagern.
English: In the cooler areas of the atmosphere inside the bulb, tungsten atoms can react with iodine and an oxygen-source (e.g. traces of water) to WO2I2. The compound eventually decomposes in a multistep reaction, mainly to WO2. This compound dissociates at the hot areas around the filament. The tungsten atoms can condesate at the filament.
Date
Source Own work
Author Andi schmitt

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current22:36, 2 March 2022Thumbnail for version as of 22:36, 2 March 2022241 × 263 (42 KB)Andi schmitt (talk | contribs)Uploaded own work with UploadWizard

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