File:Protactinium.jpg

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Protactinium.jpg(350 × 249 pixels, file size: 34 KB, MIME type: image/jpeg)

Summary[edit | edit source]

Description

Protactinium crystal, prepared by the van Arkel (chemical vapour transport) process.

Source

The image appears on a website entitled, "File:Protactinium.jpg" at https://en.wikipedia.org/wiki/File:Protactinium.jpg.

Date

30 October 2007

Author

The Actinide Group, Institute for Transuranium Elements

Rationale

No free licensed or public domain alternatives known to exist to show protactinium crystal, prepared by the van Arkel (chemical vapour transport) process about or before 2007.

Permission

Fair Use, the Institute for Transuranium Elements has been granted the sole and exclusive right and licence to produce, publish and further license the image.

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Fair use Fair use of copyrighted material //en.wikiversity.org/wiki/File:Protactinium.jpg

File history

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Date/TimeThumbnailDimensionsUserComment
current17:45, 12 May 2019Thumbnail for version as of 17:45, 12 May 2019350 × 249 (34 KB)Marshallsumter (discuss | contribs){{Information1 |Description = Protactinium crystal, prepared by the van Arkel (chemical vapour transport) process. |Source = The image appears on a website entitled, "File:Protactinium.jpg" at https://en.wikipedia.org/wiki/File:Protactinium.jpg. |Date = 30 October 2007 |Author = The Actinide Group, Institute for Transuranium Elements |Rationale = No free licensed or public domain alternatives known to exist to show protactinium crystal, prepared by the van Arkel (chemical vapour transport) pr...

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