2006
DOI: 10.3327/jnst.43.675
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An in Situ Raman Spectroscopy System for Long-term Corrosion Experiments in High Temperature Water up to 673 K

Abstract: A Raman spectroscopy system has been developed, in order to identify metal oxides formed on the surfaces of metals and steels in high temperature water up to 673 K. A supercritical water loop system including a Raman cell was installed. The design of the loop system is up to 673 K and 40 MPa. The Raman cell has a diamond window without window-to-metal packing. Raman spectrum of alumina plate was measured at room temperature, at 523 K and at 673 K under pressure of 25 MPa. A long-term measurement was also perfo… Show more

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“…The frequency for chlorine in the gas phase has been determined to 557 cm −1 . The Raman spectrum of activated NA-TiO 2 clearly indicates that the metal oxide is in the anatase phase, as supported by the literature, with peaks at 640.9, 517.3, 398.2, and 146.1 cm −1 (Figure b). The chlorinated adduct again shows no chlorine peak.…”
Section: Resultssupporting
confidence: 73%
“…The frequency for chlorine in the gas phase has been determined to 557 cm −1 . The Raman spectrum of activated NA-TiO 2 clearly indicates that the metal oxide is in the anatase phase, as supported by the literature, with peaks at 640.9, 517.3, 398.2, and 146.1 cm −1 (Figure b). The chlorinated adduct again shows no chlorine peak.…”
Section: Resultssupporting
confidence: 73%