Talk:Arsenic trioxide

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NEEDS CITATIONS

citations needed for studies

Cleanup

I've tagged this article for cleanup, and considering it's rated B-class, I figure I'd better be specific as to why I think it needs cleaning up:

Structure is pretty sketchy and disorganized. It strikes me that the sections "Preparation", "Uses", "Medical applications", "Molecular structure" and "Chemical properties" should all be condensed into one or two sections.
Citations are light, for example in the Uses section.
Uses section should be a lot more specific
There should be more info on the use of this compound as a method of intentional poisoning

I hope that's helpful! —/Mendaliv/^2¢/_Δ's/ 07:29, 18 September 2008 (UTC)[reply]

Marked volatility of dimer

"In the liquid and gas phase below 800 °C, arsenic trioxide has the formula As4O6 and is isostructural with P4O6. Above 800 °C As4O6 significantly dissociates into molecular As2O3, which adopts the same structure as N2O3."

Molar mass of As4O6 is really high (about 395.682). Qoutient (sulblimation point in Kelvins / molar mass) is very low as a typical metalloid oxide (about 1,86, 738 / 395.862), even lower than the same quotient for carbon monoxide (82 K, 28.010 g/mol - quotient is about 2,92). For carbon dioxide and carbon suboxide that quotient is above 4. Carbon oxides are known for their volatility.

95.49.68.75 (talk) 11:12, 26 October 2013 (UTC)[reply]

"Arsenic"

@Smokefoot: IMO the information that As203 is usually called "arsenic" by non-chemists needs to be prominently displayed in this article. Wiktionary (which I linked) defines "arsenic" as As2O3 (meaning 3). Detective stories never call it anything else. I corrected a bluelink today referring to the use of arsenic for killing flies - as a poison, not by hitting them with a lump of it.

At first sight, it looks as if many pages that link to "Arsenic" make the same mistake. Here's one, a notorious murder case: Frederick Seddon. Here's another: Mithridates VI of Pontus. Here's a third: Arsenic and Old Lace (play). I didn't search for those, I just looked up the first instances which came to mind.

Arsenious oxide and arsenic sesquioxide (names I grew up with) link to this page. IMO Arsenic (poison) should do so too. Narky Blert (talk) 23:45, 26 April 2016 (UTC)[reply]

First of all thanks for taking the time to respond and not being too irate. Yes, I also know that people refer to arsenic compounds as simply "arsenic". I am with you there. But I did not see a way of inserting that hearsay into the article and I worried that trying to explain that situation would confuse many readers. Go ahead and revert my change. Maybe I am off base. It seems to me that chemistry is difficult enough without trying to correct misnomers. Cheers, --Smokefoot (talk) 02:34, 27 April 2016 (UTC)[reply]

Actually, here are some further thoughts. The basis of confusion is that people refer to many materials by a prominent element in these materials. Doctors recommend that their patients take "iron" for anemia. They dont mean for their patients to gnaw on Fe metal, but to take some iron salts. People wear "gold jewelry", not really, their jewelry is almost always an alloy of gold. The list goes on and on. You might consider addressing this issue in the article on element.--Smokefoot (talk) 05:49, 27 April 2016 (UTC)[reply]

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Pi shuang listed at Redirects for discussion

An editor has asked for a discussion to address the redirect Pi shuang. Please participate in the redirect discussion if you wish to do so. _signed,Rosguill ^talk 17:30, 21 May 2019 (UTC)[reply]

Pronunciation guide not standard?

I may be wrong, but it looks like the pronunciation section doesn't use IPA/English to transcribe itself? Is this the standard pronunciation guide for this kind of article? Ragamuffiln19 🜺 (talk) 16:49, 8 February 2024 (UTC)[reply]