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Extended DLVO theory: Electrostatic and non-electrostatic forces in oxide suspensions

Bostrom, Mathias Anders; Deniz, V; Franks, G.V.; Ninham, Barry


According to classical DLVO theory all ions of background salt solution with the same ionic charge should result in the same effective force between colloidal particles. However, the relative effectiveness of different ions in influencing forces between ceramic oxide surfaces follows either a reversed Hofmeister sequence or a direct Hofmeister sequence depending on the type of oxide and if the pH is above or below the isoelectric point (iep). This ion specificity is inexplicable in classical...[Show more]

CollectionsANU Research Publications
Date published: 2006
Type: Journal article
Source: Advances in Colloid and Interface Science
DOI: 10.1016/j.cis.2006.05.001


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