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Abstract
Rheological properties of a sample from Djebel Ghassoul mines (Eastern Morocco) is studied. The colloidal properties are superior than those of similar industrial earths such as; low sensivity to coagulation by salts and high dispersing power, which can be enhanced by the addition of small cuantities of other dispersing agents such as Na-hexametaphosphate. It can be advantageously used for the manufacturing of soaps to which it imports a low degree of alcalynity and also of tooth pastes due to its high fluorine contents.
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