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File:Helium discharge tube.jpg

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Summary

Description
English: Spectrum = gas discharge tube: the noble gas: helium He. Used with 1,8kV, 18mA, 35kHz. ≈8" length.
Deutsch: Spektralröhre = Gasentladungsröhre des Edelgases: Helium He. Betrieb mit: 1,8kV, 18mA, 35kHz. Länge ≈20cm.
Română: Spectru la descărcarea în gaze pentru gazul nobil heliu He. Condiţii: 1,8kV, 18mA, 35kHz. Lungime ≈0,2m.
Date
Source Own work
Author Alchemist-hp (talk) (www.pse-mendelejew.de)
Other versions
Neon
Argon
Krypton
Xenon
all stable noble gases

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Licensing

GNU head Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 only as published by the Free Software Foundation; with no Invariant Sections, no Front-Cover Texts, and no Back-Cover Texts. A copy of the license is included in the section entitled GNU Free Documentation License. 1.2 only

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Creative Commons License

This file is licensed under the Creative Commons ‘Attribution-NonCommercial-NonDerivative 3.0 (US)’
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Captions

Gas discharge spectrum for helium

Items portrayed in this file

depicts

helium

inception

6 October 2006

exposure time

0.02222222222222222222 second

focal length

34 millimetre

media type

image/jpeg

File history

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Date/TimeThumbnailDimensionsUserComment
current22:42, 31 March 2010Thumbnail for version as of 22:42, 31 March 20103,008 × 2,008 (1.29 MB)Alchemist-hpReverted to version as of 21:16, 28 February 2010, bad and unimportant crop
06:34, 31 March 2010Thumbnail for version as of 06:34, 31 March 20102,604 × 1,347 (147 KB)Materialscientistcrop, compression
21:16, 28 February 2010Thumbnail for version as of 21:16, 28 February 20103,008 × 2,008 (1.29 MB)Alchemist-hp== {{int:filedesc}} == {{Information |Description={{en|1=Spectrum = gas discarge tube: the noble gas: helium He. Used with 1,8kV, 18mA, 35kHz. ≈8" length.}} {{de|1=Spektralröhre = [[:de:Gasentlad

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