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Photochemical cleaving of allochthonous organic-metal complexes contributes to phosphorus immobilization in surface waters

The photochemical transformation of terrestrial dissolved organic carbon (DOC) in surface waters exposed to UV radiation causes the precipitation of...


Spectrophotometric determination of iron, aluminum, and phosphorus in soil and sediment extracts after their nitric and perchloric acid digestion

Pyrocatechol violet and thiocyanate methods used in the water analysis for spectrophotometric determination of aluminum (Al) and iron (Fe),...


Phosphorus inactivation by aluminum in the water column and sediments: Lowering of in-lake phosphorus availability in an acidified watershed-lake ecosystem

Acid precipitation has been shown to reduce phosphorus (P) outputs from terrestrial sources. We present field evidence that the in-lake P cycle may...