Forces of interaction between fresh iron particles and iron oxide (magnetite): Effect of water chemistry and polymer coatings

- Attachment of iron particles onto magnetite was studied in different chemistries.
- Attachment of bare and CMC coated iron particles was favorable at pH 4 and 5.5.
- Attachment of bare iron particles was favorable in 100 mM NaCl and CaCl2 at pH 8.
- Attachment of bare and CMC coated iron was hindered in water at pH 8.
- Attachment of bare and CMC coated iron was hindered in 10 mg/l humic acid.