File:Vanadium crystal bar and 1cm3 cube.jpg

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Summary

DescriptionVanadium crystal bar and 1cm3 cube.jpg	Deutsch: Reine Vanadium 99,9 % "crystal bars" nach dem Van-Arkel-de-Boer-Verfahren hergestellt, sowie für den Größenvergleich ein reiner (99,95 %) 1 cm3 Vanadium-Würfel. Das Bild zeigt unterschiedliche Kristallisationsstrukturen sowie auch eine an der Luft grünlich oxidierte Oberfläche das Vanadiums. English: Purest Vanadium 99.9 %, three samples of a crystal bar showing different crystal textures and an on air greenish oxidized surface, made by crystal bar process (from the collection of Ethan Currens), as well as a highly pure (99,95 % = 3N5) 1 cm³ vanadium cube for comparison. Español: Vanadio puro (99,9%): tres muestras de barra cristalina con diferentes texturas y una superficie verdosa oxidada al aire, así como un cubo de alta pureza (99,95% = 3N5) de 1 cm³ para comparar. Français: Trois barres de vanadium cristallisé pur à 99,9 % obtenues par le procédé Van-Arkel-de-Boer (échantillons de la collection d'Ethan Currens). À titre comparatif, un cube de 1 cm³ de vanadium apparaît. Les pièces se trouvent sur une plaque de verre blanc. Polski: Pręt z krystalicznego wanadu o czystości 99,9 % otrzymany w procesie jodkowym i oraz sześcian (1 cm3) wykonany z wanadu o czystości (99,95 %). Română: Trei bare de vanadiu cristalizat de înaltă puritate (99,9%), obținute prin procedeul van Arkel-de Boer, prezentând texturi diferite ale suprafețelor. Acestora le este alăturat un cub de vanadiu de 1cm3 (puritate 99,95% = 3N5) pentru comparație. 中文: 纯度为99.9%的钒，三个样品有着不同的结晶的纹理和一个在空气中有着绿色氧化膜的表面。右边是1个高纯(3.5N,即99.95%)的1立方厘米的钒立方体作为对比。
Date	8 April 2011
Source	Own work
Author	Alchemist-hp ( pse-mendelejew.de).

Camera Model	Canon 5D Mark II
Lens	Zeiss Makro-Planar T*2/100mm ZE
Notes	made by focus stacking software from 20x single 16bit TIFF shots, taken on a white glass plate.

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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This is a retouched picture, which means that it has been digitally altered from its original version. Modifications: Focus stack with Helicon Focus of 44 images..

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Licence: http://creativecommons.org/licenses/by-nc-nd/3.0/
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Lizenz: http://creativecommons.org/licenses/by-nc-nd/3.0/deed.de

Assessment

This is a featured picture on Wikimedia Commons ( Featured pictures) and is considered one of the finest images.
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Wikipedia
This is a featured picture on the German language Wikipedia ( Exzellente Bilder) and is considered one of the finest images. This is a featured picture on the English language Wikipedia ( Featured pictures) and is considered one of the finest images. This is a featured picture on the Persian language Wikipedia ( نگاره‌های برگزیده) and is considered one of the finest images.

If you have an image of similar quality that can be published under a suitable copyright license, be sure to upload it, tag it, and nominate it.

This image was selected as picture of the day on Wikimedia Commons for 6 November 2011. It was captioned as follows:

English: Purest Vanadium 99.9 %, three samples of a crystal bar showing different crystal textures and an on air greenish oxidized surface, made by crystal bar process, as well as a highly pure (99,95 % = 3N5) 1 cm3 vanadium cube for comparison.

Dansk: Reneste vanadium 99,9 %, tre eksempler på krystalstænger, der viser forskellige krystalstrukturer, hvoraf én har en grønlig, af luften oxideret overflade, alle skabt ved krystalstangsprocessen. Desuden en 1 cm³ vanadiumterning af høj renhed (99,95 % = 3N5) til sammenligning.

Español: Vanadio puro (99,9%): tres muestras de barra cristalina con diferentes texturas y una superficie verdosa oxidada al aire, así como un cubo de alta pureza (99,95% = 3N5) de 1 cm³ para comparar.

Français : Trois barres de vanadium cristallisé pur à 99,9 % obtenues par le procédé Van-Arkel-de-Boer (échantillons de la collection d'Ethan Currens). À titre comparatif, un cube de 1 cm³ de vanadium apparaît. Les pièces se trouvent sur une plaque de verre blanc.

Magyar: Három, egyaránt Arkel–de Boer eljárással előállított, 99,9% tisztaságú, de eltérő felületi textúrájú vanádiumrúd (zöldes árnyalatú felületi oxidréteggel) és mellettük összehasonlításként egy 1 cm élhosszú, 99,95% tisztaságú vanádiumkocka.

Italiano: Vanadio puro al 99,9%, tre campioni di barra cristallina con differente struttura superficiale ottenute mediante processo van Arkel-de Boer, a confronto con un cubo di 1 cm³ di vanadio puro al 99,95%.

Nederlands: Drie verschillende staven van zuiver (99,9%) vanadium, met een blokje zuiver vanadium ter vergelijking. De staven tonen verschillende structuren en in sommige gevallen oxidatie

Română: Trei bare de vanadiu cristalizat de înaltă puritate (99,9%), obținute prin procedeul van Arkel-de Boer, prezentând texturi diferite ale suprafețelor. Acestora le este alăturat un cub de vanadiu de 1cm³ (puritate 99,95% = 3N5) pentru comparație.

Русский: Три образца чистого ванадия (99.9 %) с различной кристаллической текстурой и окислившейся на воздухе поверхности. Для сравнения дан 1 куб. см особо чистого ванадия (99,95 % = 3N5)

Українська: Три зразки кристалічних брусків чистого ванадію 99,9% з різними текстурами кристала (зеленуваті поверхні — наслідок окислення в повітрі), отримані методом ван Аркеля-де Бура (йодидним методом), а також куб об'ємом 1 см³ з ванадію високої чистоти 99,95% для порівняння.

中文（简体）‎: 纯度为99.9%的钒，三个样品呈现出不同的表面纹理和氧化程度，右侧为纯度为99,95%的1cm3钒晶体作为比较。

File usage

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

Vanadium

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	Vanadium, crystal bar
Camera manufacturer	Canon
Camera model	Canon EOS 5D Mark II
Author	Heinrich Pniok
Copyright holder	Copyright: Heinrich Pniok
Exposure time	1/50 sec (0.02)
F-number	f/6.3
ISO speed rating	200
Date and time of data generation	19:08, 17 April 2011
Lens focal length	100 mm
Orientation	Normal
Horizontal resolution	72 dpi
Vertical resolution	72 dpi
File change date and time	19:08, 17 April 2011
Y and C positioning	Co-sited
Exposure Program	Manual
Exif version	2.21
Date and time of digitizing	19:08, 17 April 2011
Shutter speed	5.625
APEX aperture	5.375
Exposure bias	0
Metering mode	Spot
Flash	Flash did not fire, compulsory flash suppression
DateTime subseconds	51
DateTimeOriginal subseconds	51
DateTimeDigitized subseconds	51
Colour space	sRGB
Focal plane X resolution	3,849.2117888965
Focal plane Y resolution	3,908.1419624217
Focal plane resolution unit	inches
Custom image processing	Normal process
Exposure mode	Manual exposure
White balance	Auto white balance
Scene capture type	Standard

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