CHROMIUM-REDUCING TRANSITION METAL CARBONYLS

• Main Authors: JARDINE, LESLIE, A, JACHIMOWICZ, FELEK
• Format: Patent
• Language: English; French
• Published: 11.06.2009
• Subjects: ARTIFICIAL STONE; CEMENTS; CERAMICS; CHEMISTRY; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDINGMATERIALS; CONCRETE; LIME, MAGNESIA; METALLURGY; REFRACTORIES; SLAG; TREATMENT OF NATURAL STONE

Compositions and processes are disclosed for reducing hexavalent chromium using a transition metal carbonyl or derivative thereof, wherein the transition metals are employed in a zero or lower valent state, and wherein preferably the transition metal carbonyl or derivative is water soluble at pH of...