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Formulation and stability of a soap microemulsion and the apparent pKA herein

Marcus, Julien ; Klossek, Michael ; Touraud, Didier ; Kunz, Werner


The influence of compn., and added salts and polyols on the stability of an oil-in-water microemulsion formulation and on the apparent pKA (apKA) of the used oleate surfactant is investigated. High temp. favors a decrease of the apKA and leads to the formation of more hydrated micelles. The apKA decreases also when the percentage of ethanol increases. Citronellol mols. do not significantly ...


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