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Ruthenium trichloride is a well-known compound, existing in a black α-form and a dark brown β-form: the trihydrate is red. [41] Of the known trihalides, trifluoride is dark brown and decomposes above 650 °C, tribromide is dark-brown and decomposes above 400 °C, and triiodide is black. [ 40 ]
Ruthenium(IV) oxide is the inorganic compound with the formula Ru O 2. This black solid is the most common oxide of ruthenium. It is widely used as an electrocatalyst for producing chlorine, chlorine oxides, and O 2. [1] Like many dioxides, RuO 2 adopts the rutile structure. [2] [3]
Ruthenium trichloride is a well-known compound, existing in a black α-form and a dark brown β-form: the trihydrate is red. [7] Of the known trihalides, trifluoride is dark brown and decomposes above 650 °C, tribromide is dark-brown and decomposes above 400 °C, and triiodide is black. [ 6 ]
Ruthenium tetroxide is the inorganic compound with the formula RuO 4. It is a yellow volatile solid that melts near room temperature. [3] It has the odor of ozone. [4] Samples are typically black due to impurities. The analogous OsO 4 is more widely used and better known. It is also the anhydride of hyperruthenic acid (H 2 RuO 5).
Ruthenium(III) iodide is a chemical compound containing ruthenium and iodine with the formula RuI 3. It is a black solid. [2] Preparation. Ruthenium(III) iodide can ...
Electrochemical coloring of metals based processes are black, green and blue nickel plating, black chromium plating, black rhodium plating and black ruthenium plating. [3] [4] Anodic oxidation of aluminum, titanium, niobium, tantalum and stainless steel are also electrochemical colouring processes. Multi-colored and green electrolytic patinas ...
Ruthenium(III) chloride is the chemical compound with the formula RuCl 3. "Ruthenium(III) chloride" more commonly refers to the hydrate RuCl 3 · x H 2 O. Both the anhydrous and hydrated species are dark brown or black solids.
The most important reagents for the introduction of ruthenium are ruthenium(III) chloride and triruthenium dodecacarbonyl. In its organometallic compounds, ruthenium is known to adopt oxidation states from -2 ([Ru(CO) 4] 2−) to +6 ([RuN(Me)4] −). Most common are those in the 2+ oxidation state, as illustrated below.