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

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File:Kinugasa reaction.png missing atom in reactant

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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)[reply]

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

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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)[reply]

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MILS series

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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)[reply]

Uvitic acid

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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)[reply]

ArbCom Elections 2016: Voting now open!

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Hello, V8rik. Voting in the 2016 Arbitration Committee elections is open from Monday, 00:00, 21 November through Sunday, 23:59, 4 December to all unblocked users who have registered an account before Wednesday, 00:00, 28 October 2016 and have made at least 150 mainspace edits before Sunday, 00:00, 1 November 2016.

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Correlation diagram listed at Redirects for discussion

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An editor has asked for a discussion to address the redirect Correlation diagram. Since you had some involvement with the Correlation diagram redirect, you might want to participate in the redirect discussion if you have not already done so. DMacks (talk) 16:13, 19 December 2016 (UTC)[reply]

An editor has asked for a discussion to address the redirect Ann.. Since you had some involvement with the Ann. redirect, you might want to participate in the redirect discussion if you have not already done so. --Nevéselbert 02:21, 23 January 2017 (UTC)[reply]

Reference errors on 31 January

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Hello, I'm ReferenceBot. I have automatically detected that an edit performed by you may have introduced errors in referencing. It is as follows:

Please check this page and fix the errors highlighted. If you think this is a false positive, you can report it to my operator. Thanks, ReferenceBot (talk) 00:22, 1 February 2017 (UTC)[reply]

Replaced reference in Perovkite solar cells

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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 (talkcontribs) 08:46, 11 February 2017 (UTC)[reply]

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)[reply]
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)[reply]

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

You may be interested in this

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

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Chemical diagram mistake

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

Fixed V8rik (talk) 09:46, 18 March 2017 (UTC)[reply]
Thanks (belatedly...forgot to watchlist this)! DMacks (talk) 02:29, 2 April 2017 (UTC)[reply]

Help Requests

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

Reflist|4

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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)[reply]

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
2
CH
2
instead of KOCH
2
CH
3
). Are you willing and able to upload a corrected version? Thanks. EdChem (talk) 08:43, 20 May 2017 (UTC)[reply]

propene - HBr reaction not balanced

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

Updating the Saponification diagram

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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)[reply]

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)[reply]

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

ArbCom 2017 election voter message

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Hello, V8rik. Voting in the 2017 Arbitration Committee elections is now open until 23.59 on Sunday, 10 December. All users who registered an account before Saturday, 28 October 2017, made at least 150 mainspace edits before Wednesday, 1 November 2017 and are not currently blocked are eligible to vote. Users with alternate accounts may only vote once.

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A discussion is taking place as to whether the article Fullerenes in popular culture is suitable for inclusion in Wikipedia according to Wikipedia's policies and guidelines or whether it should be deleted.

The article will be discussed at Wikipedia:Articles for deletion/Fullerenes in popular culture (2nd nomination) until a consensus is reached, and anyone is welcome to contribute to the discussion. The nomination will explain the policies and guidelines which are of concern. The discussion focuses on high-quality evidence and our policies and guidelines.

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The article Molecular spacer has been proposed for deletion because of the following concern:

Unable to find evidence that this is a real term of significance.

While all constructive contributions to Wikipedia are appreciated, pages may be deleted for any of several reasons.

You may prevent the proposed deletion by removing the {{proposed deletion/dated}} notice, but please explain why in your edit summary or on the article's talk page.

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CramruleOfAsymmetricInduction.png

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@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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Hello, V8rik. Voting in the 2018 Arbitration Committee elections is now open until 23.59 on Sunday, 3 December. All users who registered an account before Sunday, 28 October 2018, made at least 150 mainspace edits before Thursday, 1 November 2018 and are not currently blocked are eligible to vote. Users with alternate accounts may only vote once.

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

"Iron, pentacarbonyl-" listed at Redirects for discussion

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An editor has asked for a discussion to address the redirect Iron, pentacarbonyl-. Since you had some involvement with the Iron, pentacarbonyl- redirect, you might want to participate in the redirect discussion if you wish to do so. –LaundryPizza03 (d) 06:17, 28 August 2019 (UTC)[reply]

Vitamin B12 total synthesis: MAJOR revision

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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)[reply]

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

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

"Fractional charge" listed at Redirects for discussion

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A discussion is taking place to address the redirect Fractional charge. The discussion will occur at Wikipedia:Redirects for discussion/Log/2021 February 3#Fractional charge until a consensus is reached, and anyone, including you, is welcome to contribute to the discussion. ComplexRational (talk) 15:06, 3 February 2021 (UTC)[reply]

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"Molecular ion" listed at Redirects for discussion

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A discussion is taking place to address the redirect Molecular ion. The discussion will occur at Wikipedia:Redirects for discussion/Log/2021 June 22#Molecular ion until a consensus is reached, and anyone, including you, is welcome to contribute to the discussion. Mdewman6 (talk) 01:59, 22 June 2021 (UTC)[reply]

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

ITN recognition for Robert H. Grubbs

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On 21 December 2021, In the news was updated with an item that involved the article Robert H. Grubbs, which you created. If you know of another recently created or updated article suitable for inclusion in ITN, please suggest it on the candidates page. Stephen 04:02, 21 December 2021 (UTC)[reply]

"Neopentyl" listed at Redirects for discussion

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An editor has identified a potential problem with the redirect Neopentyl and has thus listed it for discussion. This discussion will occur at Wikipedia:Redirects for discussion/Log/2021 December 27#Neopentyl until a consensus is reached, and anyone, including you, is welcome to contribute to the discussion. ~~~~
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"Aprotic solvent" listed at Redirects for discussion

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An editor has identified a potential problem with the redirect Aprotic solvent and has thus listed it for discussion. This discussion will occur at Wikipedia:Redirects for discussion/Log/2022 January 6#Aprotic solvent until a consensus is reached, and anyone, including you, is welcome to contribute to the discussion. CrafterNova (talk) 11:31, 6 January 2022 (UTC)[reply]

"Monomer(s)" listed at Redirects for discussion

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"Silane, (4-aminobutyl)diethoxymethyl-" listed at Redirects for discussion

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"Dichloromethylphenylsilane" listed at Redirects for discussion

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Notice

The article Cyanimide has been proposed for deletion because of the following concern:

Cannot find a consistent attestation to this term, which seems to vary in meaning across the literature.

While all constructive contributions to Wikipedia are appreciated, pages may be deleted for any of several reasons.

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Nomination of Cyanimide for deletion

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Nomination of Chirotechnology for deletion

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Nomination of Methanol economy for deletion

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