FIELD: chemistry.
SUBSTANCE: invention pertains to a water suspension of a hydroxide of at least one chosen transition element and/or tin, the redox potential or which is less than the redox potential of the pair CrO4 2-/Cr(OH)3 (-0.12 V) with pH ranging fro 2 to 11, excluding the limit values, for reclamation of chrome VI, contained in cement. The suspension contains from 0.5 to 80 wt % of solid substance in form of a hydroxide of at least one transition element and/or tin, with accounting for quantity of water and water soluble stabiliser. The invention is developed in the subsidiary claim.
EFFECT: lower content level of allergen-chrome VI in cement.
17 cl, 2 tbl, 3 ex, 6 dwg
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