User talk:Walkerma

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Mr. Walker

hello!! how are you doing ?I`m a college student in northwest university , my name is kurt combaim and my major is chemical engineering, Now I get into some difficulty in my TOPIC, so hope you can help me ..thank you very much ! The question is underbelow :

Can you email me or teach me how to product rhodium acetate dimer ? Would you give a experimental program or plan to synthesis rhodium acetate dimer cause I saw the picture about rhodium acetate dimer you provided on wikipedia. as far as i known


RhCl3.nH2O + CH3COOH + CH3CH2OH ------ RH2(OAC2)2
Is this one correct ? how about the temperature ? pressure ? how long for reflux time ? how about the quantities of ethanol, acetate acid ?


thank you very much !!(:

Tip: Categorizing images[edit]

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Hello, Walkerma!

Tip: Add categories to your images

Thanks a lot for contributing to the Wikimedia Commons! Here's a tip to make your uploads more useful: Why not add some categories to describe them? This will help more people to find and use them.

Here's how:

1) If you're using the UploadWizard, you can add categories to each file when you describe it. Just click "more options" for the file and add the categories which make sense:

Uploadwizard-categories.png

2) You can also pick the file from your list of uploads, edit the file description page, and manually add the category code at the end of the page.

[[Category:Category name]]

For example, if you are uploading a diagram showing the orbits of comets, you add the following code:

[[Category:Astronomical diagrams]]
[[Category:Comets]]

This will make the diagram show up in the categories "Astronomical diagrams" and "Comets".

When picking categories, try to choose a specific category ("Astronomical diagrams") over a generic one ("Illustrations"). Pro-tip: The CommonSense tool can help you find the best category for your image.

Thanks again for your uploads! More information about categorization can be found in Commons:Categories, and don't hesitate to leave a note on the help desk.

CategorizationBot (talk) 11:43, 9 July 2011 (UTC)

Category:Inorganic_structures[edit]

Commons-emblem-issue.svg Category:Inorganic_structures has been listed at Commons:Categories for discussion so that the community can discuss ways in which it should be changed. We would appreciate it if you could go to voice your opinion about this at its entry.

If you created this category, please note that the fact that it has been proposed for discussion does not necessarily mean that we do not value your kind contribution. It simply means that one person believes that there is some specific problem with it. If the category is up for deletion because it has been superseded, consider the notion that although the category may be deleted, your hard work (which we all greatly appreciate) lives on in the new category.

In all cases, please do not take the category discussion personally. It is never intended as such. Thank you!


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Leyo 17:03, 17 September 2011 (UTC)

Thank you[edit]

This week is Image:John B Fenn01.jpg in Estonian Main Page in "Did you know ...?". Thank you for picture! Taivo (talk) 15:27, 10 April 2012 (UTC)

File:PentaneFull.png[edit]

Commons-emblem-issue.svg File:PentaneFull.png has been listed at Commons:Deletion requests so that the community can discuss whether it should be kept or not. We would appreciate it if you could go to voice your opinion about this at its entry.

If you created this file, please note that the fact that it has been proposed for deletion does not necessarily mean that we do not value your kind contribution. It simply means that one person believes that there is some specific problem with it, such as a copyright issue.
Please remember to respond to and – if appropriate – contradict the arguments supporting deletion. Arguments which focus on the nominator will not affect the result of the nomination. Thank you!


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 Ronhjones  (Talk) 21:57, 30 October 2012 (UTC)