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| Titel: |
Metal-Humic and Fulvic Acid Interactions in Fresh Water Ultrafiltrate Fractions |
| Auteur: |
Valentini, M. Ganzerli Maggi, L. Stella, R. Ciceri, G. |
| Verschenen in: |
Chemistry & ecology |
| Paginering: | Jaargang 1 (1983) nr. 4 pagina's 279-291 |
| Jaar: |
1983-06-01 |
| Inhoud: |
Fresh water samples from Po river (Northern Italy) were filtered and characterized by measuring the most important physico-chemical parameters. The samples were subsequently submitted to ultrafiltration to separate and fractionate the colloidal particle range from > 104 to < 103 M.W. Two different types of ultrafiltration cells were tested; they yielded quite different results due to systematic errors introduced when using the cell operating under pressure. It was found that the largest share of any metal considered was associated with the finest (< 103 M.W.) particle fraction. Correlation analysis applied to analytical data showed that manganese is associated to organic matter in the 103-104 M.W. particle fraction. Positive correlations existing between copper and Apparent Complexing Capacity (ACC) and between cadmium content and Total Organic Carbon (TOC) in the < 103 M.W. particle fraction were also discussed. |
| Uitgever: |
Taylor & Francis |
| Bronbestand: |
Elektronische Wetenschappelijke Tijdschriften |
Details van artikel 7 van 9 gevonden artikelen
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