Talk:Acid sulfate soil

	Environment portal This environment-related article is part of the WikiProject Environment to improve Wikipedia's coverage of the environment. The aim is to write neutral and well-referenced articles on environment-related topics, as well as to ensure that environment articles are properly categorized. Read Wikipedia:Contributing FAQ and leave any messages at the project talk page.EnvironmentWikipedia:WikiProject EnvironmentTemplate:WikiProject EnvironmentEnvironment articles
???	This article has not yet received a rating on the project's importance scale.

Soil Low‑importance

	Earth sciences portal Acid sulfate soil is within the scope of WikiProject Soil, which collaborates on Soil and related articles on Wikipedia. If you would like to participate, you can choose to edit this article, or visit the project page for more information.SoilWikipedia:WikiProject SoilTemplate:WikiProject SoilSoil articles
Low	This article has been rated as Low-importance on the project's importance scale.

Assessment

Seems like a good time to tag this article, as it's starting to look quite good. I've provisionally rated it as Start-Class on the assessment scale. ropable 00:15, 27 June 2007 (UTC)[reply]

ASS remediation/restoration

I'd like to expand the section on rehabilitation. I'll have a hunt around for references and case studies in the next couple of days. ropable 01:21, 4 July 2007 (UTC)[reply]

Jes Sammut is currently doing remediation work in Indonesia for post-Tsunami reconstruction of the Shrimp farming. You might like to look at it. Sippawitz (talk) 23:13, 21 May 2008 (UTC)[reply]

External links modified (January 2018)

Hello fellow Wikipedians,

I have just modified 2 external links on Acid sulfate soil. Please take a moment to review my edit. If you have any questions, or need the bot to ignore the links, or the page altogether, please visit this simple FaQ for additional information. I made the following changes:

When you have finished reviewing my changes, you may follow the instructions on the template below to fix any issues with the URLs.

This message was posted before February 2018. After February 2018, "External links modified" talk page sections are no longer generated or monitored by InternetArchiveBot. No special action is required regarding these talk page notices, other than regular verification using the archive tool instructions below. Editors have permission to delete these "External links modified" talk page sections if they want to de-clutter talk pages, but see the RfC before doing mass systematic removals. This message is updated dynamically through the template {{source check}} (last update: 5 June 2024).

If you have discovered URLs which were erroneously considered dead by the bot, you can report them with this tool.
If you found an error with any archives or the URLs themselves, you can fix them with this tool.

Cheers.—InternetArchiveBot (Report bug) 18:50, 25 January 2018 (UTC)[reply]

Reaction Check

Came across this article while doing some research. Something seems a little off about the stoichiometry listed for the oxidation of pyrite reaction listed.

As listed in the article, the reaction is 2 FeS2 + 9 O2 + 4 H2O → 8 H(+) + 4 SO4(2-) + 2 Fe(OH)3

However, the hydrogen atoms are not balanced in this equation. Building from the half reactions below, I come up with something slightly different:

Oxidation Fe(2+) → Fe(3+) + 1 e(-)

S2(2-) → 2 S(6+) + 14 e(-)

Combine these into one oxidation equation to get: FeS2 → Fe(3+) + 2 S(6+) +15 e(-)

Reduction O2 + 4 e(-) → 2 O(2-)

Total Reaction 4 FeS2 + 15 O2 → 4 Fe(3+) + 8 S(6+) + 30 O(2-)

And add in water for aqueous conditions to get the final net equation (we need 44 oxygens total on the right side to convert all Fe(3+) to Fe(OH)3 and S(6+) to SO4(2-), and we have 30 oxygen atoms already, so we just need to add 14 H2O to the left side and add H+ on the right to balance the hydrogens):

4 FeS2 + 15 O2 + 14 H2O → 4 Fe(OH)3 + 8 SO4(2-) + 16 H(+)

A quick google scholar search reveals several highly cited and reputable articles that support this stoichiometry (e.g. R. Lowson, Chem. Rev., 1982, 82 (5), pp 461–497). If there's nothing I'm missing, perhaps someone with the knowledge to edit the article with proper formatting can fix it.

Best Regards,

KB