Term
| how the toxic effects of Al can be reversed |
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Definition
when properly managed, they can be reversed by returning Al to solid phases that are sparingly soluble
one way this can be done is by liming to raise the pH |
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Term
| some potentially toxic metals |
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Definition
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Term
| some intraphase processes that can happen in the soil organic matter |
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Definition
-functional group formation
-synth/decay
-structural rearrangement |
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Term
| some intraphase processes that can happen in the soil minerals |
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Definition
-crystallization
-functional group formation
-oxidation/reduction |
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Term
| some things that can happen in the soil solution (aqueous phase) |
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Definition
-hydration
-hydrolysis
-acid-base
-oxidation-reduction
-complexation |
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Term
| a soil's reactivity is mostly regulated by... |
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Definition
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Term
| how hydrolysis can detoxify soluble elements |
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Definition
| by removing element from its toxic form and binding it with an OH- |
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Term
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Definition
| species in solution that accept protons |
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Term
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Definition
| species in solution that donate protons |
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Term
| aqueous complexation aka ion pair formation |
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Definition
| when a cation and an anion of unequal charge combine to form a polyatomic ion
example: Cd2+ + Cl- --> Cd+ |
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Term
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Definition
| cation that initiates a chemical rxn by employing an unoccupied electronic orbital |
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Term
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Definition
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Term
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Definition
| a substance that initiates a chemical rxn by employing a doubly occupied electronic orbital |
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Term
| what ligands can do to other species in the soil solution |
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Definition
| charge neutral or an anion |
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Term
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Definition
| special case of Lewis acidity, where H+ is the cation |
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Term
| the cation in Lowry-Brønstead acidity |
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Definition
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