Colloidal and macromolecular forms of iron in natural waters 2: Their occurrence in rivers of South West England
- 1 February 1980
- journal article
- research article
- Published by Taylor & Francis in Environmental Technology Letters
- Vol. 1 (2) , 109-124
- https://doi.org/10.1080/09593338009383956
Abstract
Results of a preliminary study of filterable size fractions of iron, in four rivers in the South West of England, indicate that a significant proportion (6 to 53% w/w) of sub‐micron material may be recovered in a non‐dialyzable, macromolecular form (>10,000 molecular weight) using ultrafiltration. Mössbauer measurements of fulvic acid peat extracts and a molecular weight fraction (500 molecular weight) of iron, recovered from moorland drainage, demonstrate that a wide range of molecular environments are occupied by an iron nucleus in these macromolecules.Keywords
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