File:Flametest--Na.swn.jpg

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Description	The flame test for sodium displays a brilliantly bright yellow emission due to the so called "sodium D-lines" at 588.9950 and 589.5924 nanometers.
Date	13 June 2005
Source	Own work
Author	Søren Wedel Nielsen

Permission is granted to copy, distribute and/or modify this document under the terms of the GNU Free Documentation License, Version 1.2 or any later version 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.

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	This file is licensed under the Creative Commons Attribution-Share Alike 3.0 Unported license.

	You are free: to share – to copy, distribute and transmit the work to remix – to adapt the work Under the following conditions: attribution – You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work). share alike – If you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one.
	This licensing tag was added to this file as part of the GFDL licensing update.CC-BY-SA-3.0 truetrue

This file is licensed under the Creative Commons Attribution-Share Alike 2.5 Generic license.

You are free:

to share – to copy, distribute and transmit the work
to remix – to adapt the work

Under the following conditions:

attribution – You must attribute the work in the manner specified by the author or licensor (but not in any way that suggests that they endorse you or your use of the work).
share alike – If you alter, transform, or build upon this work, you may distribute the resulting work only under the same or similar license to this one.

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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.

Camera manufacturer	Canon
Camera model	Canon PowerShot S50
Exposure time	1/10 sec (0.1)
F-number	f/3.5
Date and time of data generation	22:34, 12 June 2005
Lens focal length	12.28125 mm
Orientation	Normal
Horizontal resolution	180 dpi
Vertical resolution	180 dpi
File change date and time	22:34, 12 June 2005
Y and C positioning	Centered
Exif version	2.2
Date and time of digitizing	22:34, 12 June 2005
Image compression mode	5
Shutter speed	3.3125
APEX aperture	3.625
Exposure bias	0
Maximum land aperture	3.625 APEX (f/3.51)
Metering mode	Pattern
Flash	Flash did not fire, compulsory flash suppression
Colour space	sRGB
Focal plane X resolution	9,169.8113207547
Focal plane Y resolution	9,159.0106007067
Focal plane resolution unit	inches
Sensing method	One-chip colour area sensor
Custom image processing	Normal process
Exposure mode	Manual exposure
White balance	Manual white balance
Digital zoom ratio	1
Scene capture type	Standard

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