File:Nitrogen discharge tube.jpg

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Summary

DescriptionNitrogen discharge tube.jpg	English: Spectrum = gas discharge tube filled with nitrogen N₂. Used with 1,8kV, 18mA, 35kHz. ≈8" length. Deutsch: Spektralröhre = Gasentladungsröhre gefüllt mit Stickstoff N₂. Betrieb mit: 1,8kV, 18mA, 35kHz. Länge ≈20cm.
Date	4 October 2006
Source	Own work
Author	Alchemist-hp ( talk) ( www.pse-mendelejew.de)

This photo was taken by Alchemist-hp. If you use one of my photos, an email (account needed) or a message or direct to: my email account would be greatly appreciated.
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Licensing

This file is licensed under the Creative Commons ‘Attribution-NonCommercial-NonDerivative 3.0 (US)’
Licence: http://creativecommons.org/licenses/by-nc-nd/3.0/
Diese Datei steht unter der Lizenz Creative Commons „Namensnennung-keine kommerzielle Nutzung-keine Bearbeitung 3.0 US“
Lizenz: http://creativecommons.org/licenses/by-nc-nd/3.0/deed.de

Copyleft: This work of art is free; you can redistribute it and/or modify it according to terms of the Free Art License. You will find a specimen of this license on the Copyleft Attitude site as well as on other sites.

File usage

The following pages on Schools Wikipedia link to this image (list may be incomplete):

Nitrogen

Metadata

This file contains additional information, probably added from the digital camera or scanner used to create or digitize it. If the file has been modified from its original state, some details may not fully reflect the modified file.

Image title	Nitrogen discharge tube
Camera manufacturer	PENTAX Corporation
Camera model	PENTAX *ist D
Author	Heinrich Pniok
Copyright holder	Heinrich Pniok
Exposure time	1/20 sec (0.05)
F-number	f/4.5
ISO speed rating	1,600
Date and time of data generation	00:22, 6 October 2006
Lens focal length	34 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
Software used	Adobe Photoshop CS4 Windows
File change date and time	22:18, 18 July 2010
Y and C positioning	Co-sited
Exposure Program	Normal program
Exif version	2.21
Date and time of digitizing	00:22, 6 October 2006
Exposure bias	0
Metering mode	Pattern
Flash	Flash did not fire, compulsory flash suppression
Colour space	Uncalibrated
Sensing method	One-chip colour area sensor
Custom image processing	Normal process
Exposure mode	Auto exposure
White balance	Auto white balance
Focal length in 35 mm film	51 mm
Scene capture type	Standard
Contrast	Hard
Saturation	High saturation
Sharpness	Hard
Subject distance range	Macro

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