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The oxygen isotope composition of dissolved anthropogenic phosphates: a new tool for eutrophication research?



The oxygen isotope composition of dissolved anthropogenic phosphates: a new tool for eutrophication research?



Water Research 39(1): 232-238



High-precision oxygen isotope analyses were carried out on dissolved phosphate extracted from discharge waters from three wastewater treatment plants (WTP) located in western France, as well as on the different phosphate-based fertilizers applied by farmers in the same region. Measured delta 18O values of phosphate from chemical fertilizers range from 19.6 to 23.1 per mil, while those of phosphate from WTP discharge waters are more tightly grouped between 17.7 and 18.1 per mil.

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Accession: 004359281

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PMID: 15607181

DOI: 10.1016/j.watres.2004.08.035


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