FIELD: production of paper. SUBSTANCE: aqueous suspension of colloid particles comprises anion particles on the base of alumina together with particles of clay, mass ratio of these particles is within (20:1)-(1:10) range, content of dry material in suspension being within 5-40 % range. Method for production of desired suspension involves mixing of clay particles with sol of particles on the base of alumina. Desired suspension is stable and may be used in combination with polymers as flocculant. EFFECT: improved quality of desired product, improved efficiency of the method. 11 cl
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