Journal of the Chemical Society, Faraday Transactions 1: Physical Chemistry in Condensed Phases p. 2317 - 2330 (1987)
Update date:2022-08-11
Topics:
Mills, Andrew
Giddings, Susan
Patel, Ila
A 'test system' has been developed in order to investigate the corrosion stabilities and O2-catalytic activities exhibited by samples of RuO2*xH2O when exposed to a strong oxidant such as CeIV ions.The RuO2*xH2O samples included commercial powders as well as one prepared in the laboratory.The majority of these samples, including the prepared samples, were unstable towards anodic corrosion ( ca. 86percent corrosion) and showed little O2 catalityc activity (O2 yields 8percent).The small amount of O2 evolved was believed to originate from water bound in the oxide powder.These RuO2*xH2O samples appeared, from thermogravimetric analysis (t.g.a.) and differential gravimetric analysis (d.t.g.a.) measurements, to be highly hydrated (H2O content = 24-26percent).A minority of commercial RuO2*xH2O powders, when analysed by t.g.a. and d.t.g.a., were found to be in a partially dehydrated form (H2O content = 18percent).These samples showed a much greater resistance towards corrosion (9-13percent corrosion) and were able to mediate the oxidation of water (O2 yield = 92percent) by CeIV ions.The corrosion of RuO2*XH2O by other oxidants, e.g.BrO3-, MnO4- or PbO2, was also studied and the results are discussed.The implications of these findings are considered.
Contact:+86-577-65618087-605
Address:Room 402, Unit 4 Xinhu Bldg. Waitan Ruian City, Zhejiang China.
Jiaozuo Zhongwen Trading Coporation Limited
Contact:--
Address:East Renmin Road
Heliosense Biotechnologies, Inc.
website:https://www.heliosense.com/
Contact:+86-592-5667290
Address:Xiamen Torch Hi-tech Zone Venture Weiye Building S506
Contact:86-25-84683399
Address:605, Phoenix Herui Plaza, No.389, South Taiping Road, Nanjing, China 210002
SHANDONG CREDAGRI CHEMICAL CO., LTD.
Contact:+86-531-88872050
Address:ROOM 601A, BUILDING 2, SHUNTAI SQUARE, NO. 2000 SHUNHUA ROAD, HI-TECH DEVELOPMENT ZONE, JINAN, CHINA.
Doi:10.1039/TF9716702598
(1971)Doi:10.1021/ja01611a060
(1955)Doi:10.1055/s-0039-1690742
(2019)Doi:10.1021/ja01176a013
(1949)Doi:10.1016/j.tetlet.2019.151020
(2019)Doi:10.1007/s00044-009-9223-7
(2010)
