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File:Tantalum single crystal and 1cm3 cube.jpg

Summary

Description
Deutsch: Ein hochreiner (99,999 % = 5N) Tantal- Einkristall, hergestellt nach dem Zonenschmelzverfahren, einige einkristalline Tantalbruchstücke, sowie für den Größenvergleich ein reiner (99,99 % = 4N) 1 cm3 Tantal-Würfel.
English: A high purity (99.999 %) tantalum single crystal, made by the floating zone process, some single crystalline fragments of tantalum, as well as a high purity (99.99 % = 4N) 1 cm3 tantalum cube for comparison.
Français : Un monocristal de tantale de haute pureté (99,999 %), obtenu par la Méthode de la zone fondue. Pour comparaison, on peut aussi voir sur l'image des fragments monocristallins de tantale, ainsi qu'un cm3 du même élément pur à 99,99 % et anodisé.
Date 29 May 2010
Source Own work
Author Alchemist-hp ( talk) ( www.pse-mendelejew.de)
Camera Model Canon 5D Mark II
Lens Canon EF 100mm
Notes made by focus stacking software from 18x single shots
Applications-graphics.svg This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Focus stack with Helicon Focus of 18 images..

Assessment

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This image was selected as picture of the day on Wikimedia Commons for 15 January 2011. It was captioned as follows:

English: A high purity (99.999 %) tantalum single crystal, made by the floating zone process, some single crystalline fragments of tantalum, as well as a high purity (99.99 % = 4N) 1 cm3 tantalum cube for comparison.

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