Talk:Verdigris

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Doctor Who Novel[edit]

Verdigris is also the name of a Doctor Who novel written by Paul Magrs. --Travlr23 23:13, 1 Apr 2005 (UTC)

patina[edit]

What's the difference between verdigris and patina? —The preceding unsigned comment was added by 209.218.206.2 (talk) 20:38, 20 February 2007 (UTC).[reply]

According to the disambiguation page, verdigris is a type of patina. — Tajik24 03:37, 20 July 2007 (UTC)[reply]
I think I am right in saying that verdigris is the green patina found on copper alloys. Other patina colours such as red, blue or black can also be achieved on copper alloys, and on other metals.Plantsurfer (talk) 17:37, 2 April 2008 (UTC)[reply]
Verdigris Cu(CH3COO)2·[Cu(OH)2]3·2H2O ) > Copper(II) acetate is formed with acid whereas patina is a mixture of alcaline copper compounds. The two are often mixed up and use isn't consistent. Verdigris is toxic. 76.97.245.5 (talk) 00:44, 8 December 2008 (UTC)[reply]

Piano[edit]

Verdigris can be found in some piano actions forming especially in the center pin-bushing cloth area. Its effects can be purely cosmetic forming a greenish waxy substance, or more severe, with the action becoming sticky causing friction in moving parts. Piano technicians can remedy this problem (sometimes only temporarily) by cleaning with and alcohol mixture or by using a centerpin lubricant. In extreme cases it may be necessary to re-pin the part after replacing the bushing cloth. —Preceding unsigned comment added by Emmery (talkcontribs) 17:06, 2 April 2008 (UTC)[reply]

Etymology[edit]

"... it was required by artists in Greece." what is meant by this? The etymology here does not seem well explained. — Preceding unsigned comment added by 128.220.159.20 (talk) 18:53, 17 April 2012 (UTC)[reply]

German Version[edit]

Greetings! "Grünspan" is the german equivalent of Verdigris, but the german article https://de.wikipedia.org/wiki/Gr%C3%BCnspan is a disambiguation to Kupfer-(II)-Acetat https://de.wikipedia.org/wiki/Kupfer%28II%29-acetat, which is itself linked to Copper Acetate https://en.wikipedia.org/wiki/Copper%28II%29_acetate - I think it would make sense to have the german article linked to the Verdigris article. 143.50.241.35 (talk) 16:58, 15 December 2015 (UTC)[reply]

Which English?[edit]

Assuming that the Statue of Liberty is mentioned here, we should use American English. However, I see uses of British English in the article. Which English do we use? PeterPrettyCool (talk) 18:46, 2 March 2021 (UTC)[reply]

The guideline that applies here is WP:ENGVAR, (along with WP:ALUM as this is a chemistry related article). Typically, whichever variant is predominantly used in the article is the one used throughout and going forward. Sometimes people will go with whichever variant was used first when the article was created. This article should be designated as British English, for both those reasons.

There are some exceptions, such as "strong national ties to a topic" (eg: if the article is about the United States, then it should be in American English), but I don't believe that applies here, just because there is an image of the Statue of Liberty (imho).

Hope this helps. - wolf 05:49, 1 May 2022 (UTC)[reply]

Wiki Education assignment: A History of Color[edit]

This article was the subject of a Wiki Education Foundation-supported course assignment, between 17 January 2023 and 4 May 2023. Further details are available on the course page. Student editor(s): Chengwx (article contribs).

— Assignment last updated by Colorresearcher (talk) 19:45, 26 January 2023 (UTC)[reply]