V8rik

24.215.95.182 (talk) 19:12, 29 June 2017 (UTC)

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File:Kinugasa reaction.png missing atom in reactant

The terminal alkyne in the first structure ends with just an explicit "C". Should it should have an explicit H (as a neutral organic reactant prior to reaction with CuI), or else a Cu bonded to it (the 3+2 reaction is of the copper acetylide)? DMacks (talk) 20:10, 4 August 2015 (UTC)

• I have made a change. Does not look pretty but it is effective. The peer-review time for images apparently is 9 years but I do not carry around the raw files for that length of time V8rik (talk) 20:41, 4 August 2015 (UTC)

Looks good enough, thanks. I rarely save mine either. DMacks (talk) 21:26, 4 August 2015 (UTC)

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NiOOH

This note is about a set of articles that you created. They are being reorganized because I am fairly sure that all oxidized nickel oxides are really NiOOH, including nickel peroxide. I am not 100% certain, but the inorganic aspects are very specialized. The important thing which we need to flesh out is that somehow these things are related to batteries. In any case content was not lost. I hope you are going to continue to edit around here, BTW. --Smokefoot (talk) 18:51, 29 January 2016 (UTC)

• Hi Smokefoot, your edits make sense to me, keep up the good work! V8rik (talk) 16:24, 31 January 2016 (UTC)

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MILS series

Please look at Wikipedia:Articles for deletion/Metal Ions in Life Sciences and comment if you wish. Petergans (talk) 20:02, 23 May 2016 (UTC)

Uvitic acid

Hi there!

I have noticed your interest in the chemistry-related articles. I have recently created Uvitic acid, and need both professional and peer reviews as I am not than proficient with the subject of chemistry.

Cheerz! Lamro (talk) 16:04, 31 October 2016 (UTC)

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Correlation diagram listed at Redirects for discussion

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Ann. listed at Redirects for discussion

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Reference errors on 31 January

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Replaced reference in Perovkite solar cells

Hi. I have replaced the Collavini reference for a more recent, interesting and accurate secondary source reference from Kamat.

I have seen that you included Collavini reference for first time and I would like to know that my change is ok for you.

ps: It was my first edition in Wikipedia. I will continue reviewing this entry about Perovskite solar cells. — Preceding unsigned comment added by Perovskitor (talk • contribs) 08:46, 11 February 2017 (UTC)

Hi Perovskitor, I would see no reason to remove the first citation and replace it with another. Add all the citations you think are relevant but add them to the existing ones V8rik (talk) 19:23, 12 February 2017 (UTC)

Hi V8rik,

I roughly estimate around 200 reviews in perovskite solar cell topic published currently in traditional scientific journals. Some of them dealing with more specific issues, another ones (majority) covering general aspects. I was wondering why specifically such 2-pages review was opening the wikipedia article on perovskite solar cells. It is not wrong of course, but it is lightly outdated and cover a very specific issue on perovskite solar cells as the (no) excitonic nature of this light harvester. In my opinion, there is 199 better review references to introduce perovskite solar cells to general audience or scientists looking for information about it. I personally have chosen the Kamat's review because probably it was the last one that I read and summarizes well the current trends of the topic in 56 pages.

However, you are right. Who am I to remove references here? I decided to put back the reference in a more useful place related to the specific issue that they are covering in the review. Perovskitor (talk) 15:59, 18 February 2017 (UTC)

Thanks for your consideration! V8rik (talk) 17:44, 21 February 2017 (UTC)

You may be interested in this

[1] Notifying you, since you've made a lot of edits to the article. Banedon (talk) 07:40, 15 February 2017 (UTC)

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Chemical diagram mistake

On File:Fenestranes.png, the middle diagram is missing a second H on each corner. DMacks (talk) 01:05, 16 March 2017 (UTC)

• grrrrr, a replacement is in the making... V8rik (talk) 17:35, 16 March 2017 (UTC)

Fixed V8rik (talk) 09:46, 18 March 2017 (UTC)

Thanks (belatedly...forgot to watchlist this)! DMacks (talk) 02:29, 2 April 2017 (UTC)

Help Requests

@V8rik: Hi!
Attention is drawn to bond-dissociation_energy as once you had posted there. Bkpsusmitaa (talk) 02:31, 29 March 2017 (UTC)

Reflist|4

Hi. Just letting you know that reflist|2/3/4 are all deprecated per Template:Reflist#Columns. If you don't know the best ways to format these are:

• reflist|35em for 2 columns
• reflist|30em for 3 columns
• reflist|40em for 4 columns

Most of the time, 4 columns don't really need to be used unless an article has well over 200 or so refs. thanks --Jennica✿ / ^talk 10:18, 23 April 2017 (UTC)

• got it! V8rik (talk) 15:15, 23 April 2017 (UTC)

File:3-Quinuclidinone hydrochloride.svg

Hi... I think you originally uploaded the File:3-Quinuclidinone hydrochloride.svg. In the synthesis, there is a formula for what I think is meant to be potassium ethoxide, and if it is, it is missing a hydrogen atom (ie. KOCH
₂CH
₂ instead of KOCH
₂CH
₃). Are you willing and able to upload a corrected version? Thanks. EdChem (talk) 08:43, 20 May 2017 (UTC)

• Done! V8rik (talk) 10:02, 20 May 2017 (UTC)

propene - HBr reaction not balanced

In the reaction shown in MarkovnikovRulePropeneHBr.svg, there should be 2 propene and 2 HBr molecules to balance the equation.

• Good catch! A replacement is underway. V8rik (talk) 17:14, 30 June 2017 (UTC)

Updating the Saponification diagram

Hi there. I saw the "Saponification" diagram svg file that you did, and I was wondering if it is possible for a remake of this diagram by replacing the English word "Heat" with the more universal symbol for it, Δ...it would save a lot on translation compatibility for other language Wikis that might use this diagram.

Sincerely,

Anumengelamun (talk) 07:43, 8 September 2017 (UTC)

• Hello, I have just made the change that you suggested. I hope it's ok for V8rik. --Hbf878 (talk) 21:05, 11 November 2017 (UTC)

• • Hi, thanks for making the change! V8rik (talk) 19:15, 12 November 2017 (UTC)

		The Chemistry Star
		Thank you for all the high quality contributions that you have made to Wikipedia's chemistry articles! ChemNerd (talk) 18:13, 1 December 2017 (UTC)

Thanks man! Means a lot to me. Have a great weekend! V8rik (talk) 18:37, 1 December 2017 (UTC)

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CramruleOfAsymmetricInduction.png

@V8rik: Hi!
I just wanted to point out that on the Asymmetric Induction scheme, the Fischer projections 2a and 2b show the wrong enantiomers. Please flip the positions of "H" and "Ph" in all streogenic centers. Thanks!

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Discussion at c:Commons:Deletion requests/File:PentaceneSynthesis.png

 You are invited to join the discussion at c:Commons:Deletion requests/File:PentaceneSynthesis.png. Ronhjones  ^(Talk) 20:52, 27 January 2019 (UTC)

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Vitamin B12 total synthesis: MAJOR revision

Dear v8rik,

at long last I was able to finish my revision of your Vitamin B12 article - I just uploaded it. The long delay is due to the fact that I found it necessary to re-read most publications (and a lot of ETH theses) in order to provide precise citations for verification.

Given the length and complexity of this article, my "unusual" application of Show/Hide, and the number of sources and citations, I deemed it essential to comment on this in the talk page.

Best regards, Bert Easyloc (talk) 20:12, 29 February 2020 (UTC)

Hi Bert,

Extensive amount of work done! Congratulations! I am going to review the new work, I will leave comments not here but on the vitamin talkpage => Talk

Rik

Image discussion

commons:Commons:Deletion requests/File:TwistedAcene.png is one of your images. DMacks (talk) 13:37, 19 May 2020 (UTC)

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File:EliminationReactionGlycerol2Acrolein2.svg

What does it mean in the image: "OS I:15"? Д.Ильин

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