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File:Hf-crystal bar.jpg

Original file ‎(5,428 × 1,544 pixels, file size: 2.86 MB, MIME type: image/jpeg)

Summary

Description
English: A sample of a 1,7kg Hafnium crystal bar, made by van Arkel-de Boer process. The real background is removed. The shadow is added via Photoshop.
Deutsch: Ein 1,7kg Abschnitt einer Hafnium "crystal bar", hergestellt nach dem van-Arkel-de-Boer-Verfahren. Das Stück wurde freigestellt und ein künstlicher Schatten via Photoshop hinzugefügt.
Français : Lingot de hafnium cristallisé, selon le procédé Van-Arkel-de-Boer. Le fond d'origine a été remplacé par un fond ombré créé à l'aide du logiciel Photoshop.
Polski: Pręt z krystalicznego hafnu otrzymany w procesie jodkowym.
Date
Source Own work
Author Alchemist-hp (talk) (www.pse-mendelejew.de)

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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Focus stack with Helicon Focus of 8 images..

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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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inception

20 April 2009

exposure time

0.25 second

focal length

100 millimetre

File history

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Date/TimeThumbnailDimensionsUserComment
current19:32, 13 May 2012Thumbnail for version as of 19:32, 13 May 20125,428 × 1,544 (2.86 MB)Alchemist-hpa better shadow
09:49, 1 October 2010Thumbnail for version as of 09:49, 1 October 20105,428 × 1,544 (5.16 MB)Alchemist-hpother new version
20:21, 24 May 2009Thumbnail for version as of 20:21, 24 May 20095,273 × 2,185 (2.97 MB)Alchemist-hp{{Information |Description={{en|1=Hafnium crystal bar, made by Van-Arkel-de-Boer-Prozess}} {{de|1=Abschnitt einer Hafnium crystal bar, hergestellt nach dem Van-Arkel-de-Boer-Verfahren }} |Source=Eigenes Werk (own work) |Author=[[User:Alchemist-hp|Alchemis

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