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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 ]
Ruthenium has four crystal modifications and does not tarnish at ambient conditions; it oxidizes upon heating to 800 °C (1,070 K). Ruthenium dissolves in fused alkalis to give ruthenates (RuO 2− 4). It is not attacked by acids (even aqua regia) but is attacked by sodium hypochlorite at room temperature, and halogens at high temperatures. [11]
The most common principles for CO 2 sensors are infrared gas sensors and chemical gas sensors. Carbon monoxide A carbon monoxide detector is a device that detects the presence of the toxic gas carbon monoxide (CO), a colorless and odorless compound produced by incomplete combustion and lethal at high levels.
Ruthenium can be oxidized to ruthenium(IV) oxide (RuO 2, oxidation state +4), which can, in turn, be oxidized by sodium metaperiodate to the volatile yellow tetrahedral ruthenium tetroxide, RuO 4, an aggressive, strong oxidizing agent with structure and properties analogous to osmium tetroxide.
Phase behavior Triple point? K (? °C), ? Pa Critical point? K (? °C), ? Pa Std enthalpy change of fusionΔ fus H o? kJ/mol Std entropy change of fusionΔ fus S oJ/(mol·K)
This is a list of prices of chemical elements. Listed here are mainly average market prices for bulk trade of commodities. ... Ruthenium: 12.37: 0.001 ...
Ruthenium oxide may refer to either of the following: Ruthenium(IV) oxide, RuO 2; Ruthenium(VIII) oxide, RuO 4 This page was last edited on 13 May 2022 ...
The term NO x represents several forms of nitrogen oxides such as NO (nitric oxide), NO 2 (nitrogen dioxide) and N 2 O (nitrous oxide, also known as laughing gas).In a gasoline engine, NO is the most common form of NO x at around 93%, while NO 2 is around 5% and the rest is N 2 O.
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