Buy custom Civilization and the importance of iron and oxygen
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| Topic: |
Science
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| Number of pages / Number of words: |
3 / 836 |
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Usually, iron is dissolved in seawater in the form of ion, Fe2+. However, if oxidation progresses due to some reasons to make it Fe3+, chemical reaction occurs to make it Fe(OH)3, and it deposits. Due to dehydration, deposited iron hydroxide alters into iron oxide in a long time.
Existence of banded iron formations indicates that iron ions dissolved in seawater were oxidized in the wake of a certain event occurred on a global scale...
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It is considered that creatures, which generate oxygen, have come to exist massively in seawater when the formation occurred. The creature, which generated oxygen is photosynthetic organism.
A scenario for banded iron formation is like this:
Photosynthetic organism (cyanobacteria), which came to exist more than 3 billion years ago, irrupted 2...
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General points of the essay
Civilization and the importance of iron and oxygen
Chemical Anaylses of Iron
How do the unique chemical and physical properties of water make life on earth possible?
Phosphates and dissolved oxygen
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modified winkler method for dissolved oxygen determination
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Of Iron and Men
To Make an End Is to Make a Beginning
The Man In The Iron Mask
Pumpin Iron
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