Abstract
Leaching of chromium in solidified cement indicates that the release of chromium(III) corresponds to the solubility of the hydrolized compounds Cr(OH) 3 which presents a low constant value (10 −6 Moles L −1 over a wide pH range. On the other hand, high soluble Cr(VI) presents in the first period of leaching a kinetic release similar to that previously observed for calcium. In addition, physical tests have been carried out on cement blending variable amounts of chromium compounds. The results concerning the compressive strength, densities, and porosity of cement containing CrCl 3, Cr 2O 3 and Cr0 3 are reported and discussed.
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