Talk:Sulfur

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This article is written in American English with IUPAC spelling (color, defense, traveled; aluminium, sulfur and caesium) and some terms that are used in it may be different or absent from other varieties of English. According to the relevant style guide and chemistry naming conventions, this should not be changed without broad consensus.

Elements Top‑importance

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Materials Mid‑importance

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Rocks and minerals Mid‑importance

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Biological role of sulfate

Biological role needs a subsection on the role of sulfate and sulfation, such as:

sulfolipids
sulfated carbohydrates (e.g. keratan sulfate, chondroitin sulfate, heparin)
sulfation as a step in the detoxification of xenobiotics, etc.^[1]

Also needs at least a mention of molybdenum cofactor. Unfortunately I'm not well-read enough to author such a section. 2A02:1812:1126:5D00:396E:A1ED:7C5A:C557 (talk) 21:23, 2 March 2024 (UTC)[reply]

References

^ https://journals.physiology.org/doi/epdf/10.1152/physrev.2001.81.4.1499

Properties

According to trusted book Poling, B. E., Prausnitz, J. M., & O’Connell, J. P. (2000). The Properties of Gases and Liquids (5th ed.). McGraw-Hill. the melting point is 119.6 deg.C, not 115. I did change in the text but don't know how to change this in side panel info. Please help. Thanks Czakolo (talk) 10:33, 18 March 2024 (UTC)[reply]

currently given boiling point of 115 C is NOT correct and the reference someone provided in my comment DOES NOT even include this value! According to Poling, B. E., Prausnitz, J. M., & O’Connell, J. P. (2000) the correct value is 392.75 K (which is 119.6 C)

This book is professional, scientific resource easily accessible by any good researcher or academic professor, so should be easy to check. Czakolo (talk) 11:37, 18 March 2024 (UTC)[reply]

The question is about melting point (freezing point), not boiling point, as you wrote, @Czakolo. I have checked both sources, Poling-Prausnitz-O'Connel (yours) and Greenwood-Earnshaw (presented in the article), and both mention the temperature 119.6°C. However, Greenwood and Earnshaw specified this figure to the beta-S₈ allotrope, clarifying in the text, that slow transition from one alfa-allotrope to the beta, as well as the presence of the microcrystalline form, may alter the melting point in the range 114.6-120.4°C. Tosha Langue (talk) 15:28, 18 March 2024 (UTC)[reply]

sorry, my bad in second text, I meant freezing. Then, it should be corrected to say 119.6 for the most dominant allotrope in liquid form and give the range with the explanation of when it may be altered. I believe 115 is misleading. Thanks for correction! Czakolo (talk) 18:18, 18 March 2024 (UTC)[reply]

I can do the respective edits, but later. Let us have time for other editors' opinions... Tosha Langue (talk) 01:26, 19 March 2024 (UTC)[reply]

Abundance?

Re: "and the fifth most abundant on Earth." -- That may be overall, but it's relatively rare near the surface, which is what matters more to humans. This may need qualifiers. — Preceding unsigned comment added by 64.52.139.54 (talk) 04:03, 24 July 2024 (UTC)[reply]

[1] ttps://journals.physiology.org/doi/epdf/10.1152/physrev.2001.81.4.1499

[1]