Browsing by Subject "Lanthanum compounds"
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Colloidal particles derived from a complex of phosphotungstic acid and ethoxylated surfactants
(Elsevier: Journal of Colloid and Interface Science, 2002-09)Stable, colloidal sols of submicron size were prepared by titration of aqueous solutions of alkylene oxide surfactants with phosphotungstic acid, H3PW12O40 (PTA), followed by neutralization with ammonium or potassium ...